{"title":"Light \u0026 Color","description":"\u003cp\u003e\u003c\/p\u003e","products":[{"product_id":"37-5-mm-lens-set","title":"37.5 mm Lens Set","description":"Unmounted, high-quality optical glass with ground edges. Set includes 6 lenses: 1. Double convex 2. Plano convex 3. Concave\/convex 4. Double concave 5. Plano concave 6. Convex\/concave.\u003cbr\u003eUnmounted, high-quality optical glass with ground edges. Set includes 6 lenses: 1. Double convex 2. Plano convex 3. Concave\/convex 4. Double concave 5. Plano concave 6. Convex\/concave.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646088478877,"sku":"12003","price":4.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/12003.jpg?v=1597258353"},{"product_id":"50-mm-lens-set","title":"50 mm Lens Set","description":"Unmounted, high-quality optical glass with ground edges. Set includes 6 lenses: 1. Double convex 2. Plano convex 3. Concave\/convex 4. Double concave 5. Plano concave 6. Convex\/concave.\u003cbr\u003eUnmounted, high-quality optical glass with ground edges. Set includes 6 lenses: 1. Double convex 2. Plano convex 3. Concave\/convex 4. Double concave 5. Plano concave 6. Convex\/concave.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646088642717,"sku":"12004","price":6.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/12004.jpg?v=1597258355"},{"product_id":"15-spectroscope-kits-w-study-guides","title":"15 Spectroscope Kits w\/ Study Guides","description":"Set of 15 Spectroscope Kit w\/ Study Guide (15234)\u003cbr\u003eSet of 15 Spectroscope Kit w\/ Study Guide (15234)","brand":"American Educational Products","offers":[{"title":"Default Title","offer_id":35646088806557,"sku":"11944","price":24.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/11944.jpg?v=1597258351"},{"product_id":"night-spectra-quest-guide","title":"Night Spectra Quest Guide","description":"A chart and pocket-sized viewer that shows the color spectra of common night lights, identifies each spectrum, and includes a diffraction grating through which you can see them. You can easily survey the night light spectra while riding around after dark, holding Night Spectra Quest up to your eye, with someone else driving. Booklet also includes further information and experiments.\u003cbr\u003eA chart and pocket-sized viewer that shows the color spectra of common night lights, identifies each spectrum, and includes a diffraction grating through which you can see them. You can easily survey the night light spectra while riding around after dark, holding Night Spectra Quest up to your eye, with someone else driving. Booklet also includes further information and experiments.","brand":"Steve Jacobs","offers":[{"title":"Default Title","offer_id":35646089134237,"sku":"13658","price":1.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/13658.jpg?v=1597258353"},{"product_id":"newtons-color-disc","title":"Newton's Color Disc","description":"For demonstrating that white light is composed of the seven colors of the spectrum by rotating a disc. Comprising of a seven colored metal disc attached to a pulley mounted on a metal stand driven by belt with the help of a hand driven wheel.\u003cbr\u003eFor demonstrating that white light is composed of the seven colors of the spectrum by rotating a disc. Comprising of a seven colored metal disc attached to a pulley mounted on a metal stand driven by belt with the help of a hand driven wheel.","brand":"Lab Connections","offers":[{"title":"Default Title","offer_id":35646089855133,"sku":"14747","price":14.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14747.jpg?v=1597258359"},{"product_id":"light-box-kit","title":"Light Box Kit","description":"Includes 8 acrylic plastic blocks: 1 rectangular, 1 semi-circular, 1 double concave, 1 equilateral 60 x 60 x 60 degrees, 2 right angle 90 x 60 x 30 degrees and 90 x 45 x 45 degrees, 1 circular, 1 double concave. 8 mounted color filters. 2 Slit Plates. 3 Mirrors: 1 plane mirror, 1 semicircular, 1 parabolic. 1 Set of Colored Cards. The Light Box is used to perform experiments in reflection, refraction and color mixing. Box has hinged sides to produce divergent, convergent or parallel rays of light. Light Box has grooves to accept slit plates or color filters. Operates on 12 V. spare bulb provided. Supplied in a thermocole box with place for each part.\u003cbr\u003eIncludes 8 acrylic plastic blocks: 1 rectangular, 1 semi-circular, 1 double concave, 1 equilateral 60 x 60 x 60 degrees, 2 right angle 90 x 60 x 30 degrees and 90 x 45 x 45 degrees, 1 circular, 1 double concave. 8 mounted color filters. 2 Slit Plates. 3 Mirrors: 1 plane mirror, 1 semicircular, 1 parabolic. 1 Set of Colored Cards. The Light Box is used to perform experiments in reflection, refraction and color mixing. Box has hinged sides to produce divergent, convergent or parallel rays of light. Light Box has grooves to accept slit plates or color filters. Operates on 12 V. spare bulb provided. Supplied in a thermocole box with place for each part.","brand":"Lab Connections","offers":[{"title":"Default Title","offer_id":35646089920669,"sku":"14763","price":52.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14763.jpg?v=1597258359"},{"product_id":"concepts-of-light-kit-teachers-version","title":"Concepts of Light Kit (Teacher's Version)","description":"This educational kit contains materials and instructions for safe, hands-on inquiry-based experimentation into the nature and properties of light.  This kit is primarily aimed at students in Middle School but may be used by Elementary or High School students by slightly altering the instructions.  Instructions are also included for Science Fair activities and optional Probeware\/Data-Logging activities. Experiments that can be performed: What is light? How does light travel? How do lenses effect light? How do mirrors affect light? How does color relate to light? etc.\u003cbr\u003eThis educational kit contains materials and instructions for safe, hands-on inquiry-based experimentation into the nature and properties of light.  This kit is primarily aimed at students in Middle School but may be used by Elementary or High School students by slightly altering the instructions.  Instructions are also included for Science Fair activities and optional Probeware\/Data-Logging activities. Experiments that can be performed: What is light? How does light travel? How do lenses effect light? How do mirrors affect light? How does color relate to light? etc.","brand":"Lab Connections","offers":[{"title":"Default Title","offer_id":35646090674333,"sku":"15628","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/15628.jpg?v=1597258369"},{"product_id":"concepts-of-light-kit-student-version","title":"Concepts of Light Kit (Student version)","description":"\u003cp\u003eExperiments that can be performed include:\u003cbr\u003e• What is light?\u003cbr\u003e• How does light travel?\u003cbr\u003e• How do lenses effect light?\u003cbr\u003e• How do mirrors affect light?\u003cbr\u003e ...and more!\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eItems included in the kit:\u003cbr\u003e•Acrylic Prism Set of 6\u003cbr\u003e• Wooden Storage Box for Prism Set - 1\u003cbr\u003e• Ray Box - 1\u003cbr\u003e• Plane Mirror - 1\u003cbr\u003e• Concave Mirror - 1\u003c\/p\u003e\u003cbr\u003eThis educational kit contains materials and instructions suitable for safe hands-on inquiry-based experimentation into the nature and properties of Light. This kit is primarily aimed at students in Middle School but may be used by Elementary or High School students by slightly altering the instructions. Instructions are also included for Science Fair activities and optional Probeware\/Data-Logging activities. Items included in the kit: Acrylic Prism Set of 6: Triangular Prism - 1, Half Round Prism - 1, Double Concave Prism - 2, Double Convex Prism - 1, Rectangular Prism (Brick) - 1\u003cbr\u003eWooden Storage Box for Prism Set - 1, Ray Box - 1, Plane Mirror - 1, Concave Mirror - 1.","brand":"Lab Connections","offers":[{"title":"Default Title","offer_id":35646090772637,"sku":"15629","price":52.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/15629.jpg?v=1597258371"},{"product_id":"37-5-mm-concave-mirror","title":"37.5 mm Concave Mirror","description":"Unmounted, high-quality silvered glass. Focal length 150 mm.\u003cbr\u003eUnmounted, high-quality silvered glass. Focal length 150 mm.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646091427997,"sku":"11997","price":0.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/11997.jpg?v=1597258367"},{"product_id":"37-5-mm-convex-mirror","title":"37.5 mm Convex Mirror","description":"\u003cp\u003eUnmounted, high-quality silvered glass. Focal length 150 mm.\u003c\/p\u003e","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646093361309,"sku":"12000","price":0.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/12000.jpg?v=1597258375"},{"product_id":"50-mm-convex-mirror","title":"50 mm Convex Mirror","description":"Unmounted, high-quality silvered glass. Focal length 150 mm.\u003cbr\u003eUnmounted, high-quality silvered glass. Focal length 150 mm.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646093426845,"sku":"12001","price":1.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/12001.jpg?v=1597258377"},{"product_id":"plastic-mirror-support","title":"Plastic Mirror Support","description":"Securely hold a mirror in a vertical position on any flat surface. Packages of 6.\u003cbr\u003eSecurely hold a mirror in a vertical position on any flat surface. Packages of 6.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646094180509,"sku":"14034","price":1.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14034.jpg?v=1597258381"},{"product_id":"wood-mirror-support","title":"Wood Mirror Support","description":"Designed for spherical mirrors and lenses. Support is 5\" tall and has a 1.5\" V-shaped grooved wedge to hold mirrors or lenses 38mm to 100mm securely in place.\u003cbr\u003eDesigned for spherical mirrors and lenses. Support is 5\" tall and has a 1.5\" V-shaped grooved wedge to hold mirrors or lenses 38mm to 100mm securely in place.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646096408733,"sku":"14035","price":2.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14035.jpg?v=1597258383"},{"product_id":"plain-mirror-strip-3-x-1","title":"Plain Mirror Strip - 3\" x 1\"","description":"Made from plate glass about 1\/16\" thick. Highly Silvered back.\u003cbr\u003eThis 3in x 1in mirror is made from plate glass about 1\/16in thick with a highly silvered back.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646096572573,"sku":"14748","price":0.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14748.jpg?v=1597258371"},{"product_id":"plain-mirror-strip-4-x-2","title":"Plain Mirror Strip - 4\" x 2\"","description":"Made from plate glass about 1\/16\" thick. Highly Silvered back.\u003cbr\u003eThis 4in x 2in mirror is made from plate glass about 1\/16in thick with a highly silvered back.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646097686685,"sku":"14749","price":0.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14749.jpg?v=1597258373"},{"product_id":"plain-mirror-strip-4-x-4","title":"Plain Mirror Strip - 4\" x 4\"","description":"Made from plate glass about 1\/16\" thick. Highly Silvered back.\u003cbr\u003eThis 4in x 4in mirror is made from plate glass about 1\/16in thick with a highly silvered back.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646099488925,"sku":"14750","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14750.jpg?v=1597258375"},{"product_id":"plain-mirror-strip-6-x-2","title":"Plain Mirror Strip - 6\" x 2\"","description":"Made from plate glass about 1\/16\" thick. Highly Silvered back.\u003cbr\u003eThis 6in x 2in mirror is made from plate glass about 1\/16in thick with a highly silvered back.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646102012061,"sku":"14751","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14751.jpg?v=1597258377"},{"product_id":"plain-mirror-strip-6-x-4","title":"Plain Mirror Strip - 6\" x 4\"","description":"Made from plate glass about 1\/16\" thick. Highly Silvered back.\u003cbr\u003eThis 6in x 4in mirror is made from plate glass about 1\/16in thick with a highly silvered back.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646102306973,"sku":"14752","price":0.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14752.jpg?v=1597258379"},{"product_id":"optics-kit","title":"Optics Kit","description":"Explore the world of light, color and illusions, learn how light warms our world with this Optics Kit. Each kit comes with: 1 Activity book; 1 Double convex lens, 38mm diameter, glass; 1 Double concave lens, 38mm diameter, glass; 1 Plain lens, 38 mm diameter, glass; 1 Clear glass screen; 1 Mirror, glass; 1 Plastic screen (white); 4 Cellophane square (4 colors); 3 Lens\/mirror supports; 1 Prism, equilateral, 25mm x 50mm, acrylic; 1 Beaker, graduated, plastic; 1 Flashlight( 2 batteries included); 1 Candle\u003cbr\u003eExplore the world of light, color and illusions, learn how light warms our world with this Optics Kit. Each kit comes with: 1 Activity book; 1 Double convex lens, 38mm diameter, glass; 1 Double concave lens, 38mm diameter, glass; 1 Plain lens, 38 mm diameter, glass; 1 Clear glass screen; 1 Mirror, glass; 1 Plastic screen (white); 4 Cellophane square (4 colors); 3 Lens\/mirror supports; 1 Prism, equilateral, 25mm x 50mm, acrylic; 1 Beaker, graduated, plastic; 1 Flashlight( 2 batteries included); 1 Candle","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646102470813,"sku":"14264","price":19.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14264.jpg?v=1597258385"},{"product_id":"meter-stick-optical-bench","title":"Meter Stick Optical Bench","description":"\u003cp\u003eStudent optical bench contains sufficient equipment for high school physics applications. Set includes: 1 meter stick, 1 screen support, 2 lens supports for 38mm and 75mm lenses\/mirrors, 5 board screens measuring 10x12.5cm with a millimeter scale along one side, 1 marker and object, 2 metal supports for meter stick, 1 candle holder, 1 paraffin candle.\u003cbr\u003e\u003c\/p\u003e","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646102995101,"sku":"14753","price":9.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14753.jpg?v=1597258387"},{"product_id":"spectrometer","title":"Spectrometer","description":"An economically priced Spectrometer, but capable of performing most of the experiments like spectras, angle of prisms, refractive indexes etc. Consists of heavy base with 170 mm diameter circle, divided 0 to 360 degrees, which rotates independently and has locking screw. Collimator: Fixed, with adjustable axis, objective lens with focusing system, variable aperture slit. Telescope: Moveable with set screw and fine motion screw, adjustable axis. Telescope pillar carries vernier scale for accurate measurements. Focusable objective Lens. Ramsden Eyepiece with cross-wires and locking ring for focus lock. Prism Table: Provided with three leveling screws and engraved lines for prism placement in experiments. Comes complete with Prism Clamp, Grating Holder, Tommy Bar for axis adjustment and Instruction Sheet.\u003cbr\u003eAn economically priced Spectrometer, but capable of performing most of the experiments like spectras, angle of prisms, refractive indexes etc. Consists of heavy base with 170 mm diameter circle, divided 0 to 360 degrees, which rotates independently and has locking screw. Collimator: Fixed, with adjustable axis, objective lens with focusing system, variable aperture slit. Telescope: Moveable with set screw and fine motion screw, adjustable axis. Telescope pillar carries vernier scale for accurate measurements. Focusable objective Lens. Ramsden Eyepiece with cross-wires and locking ring for focus lock. Prism Table: Provided with three leveling screws and engraved lines for prism placement in experiments. Comes complete with Prism Clamp, Grating Holder, Tommy Bar for axis adjustment and Instruction Sheet.","brand":"Lab Connections","offers":[{"title":"Default Title","offer_id":35646103027869,"sku":"15864","price":140.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/15864.jpg?v=1597258389"},{"product_id":"ray-optics-kit","title":"Ray Optics Kit","description":"To investigate the properties of lenses and to construct simple optical instruments. Kit comprised of the following: Two lamp holders, each in cast alloy shade with two axial slots. Complete with two meter 2-core cable and lamp. Shade has integral support arm which is clamped at right angle to the vertical rod, 165 mm long, fitted on heavy cast base, stove hammer finish. One each right and left hand cylindrical lamp shield of light alloy in matt black finish with slot parallel to the axis, size 190 x 60 mm, Height x Diameter. Two black plastic plates, 100 x 80 mm, with 17 equispaced parallel slots. Two black plastic plates, 130 x 80 mm, each with single and triple slits. Two metal support brackets, matt black finish with spring-loaded clips to hold the plates. Four black finish metal light barriers, height 80 mm. Ten Cylindrical Lens ( 8 plano-convex, and 2 plano-concave ), size 50 x 50 mm, Side x Height. Manual included.\u003cbr\u003eTo investigate the properties of lenses and to construct simple optical instruments. Kit comprised of the following: Two lamp holders, each in cast alloy shade with two axial slots. Complete with two meter 2-core cable and lamp. Shade has integral support arm which is clamped at right angle to the vertical rod, 165 mm long, fitted on heavy cast base, stove hammer finish. One each right and left hand cylindrical lamp shield of light alloy in matt black finish with slot parallel to the axis, size 190 x 60 mm, Height x Diameter. Two black plastic plates, 100 x 80 mm, with 17 equispaced parallel slots. Two black plastic plates, 130 x 80 mm, each with single and triple slits. Two metal support brackets, matt black finish with spring-loaded clips to hold the plates. Four black finish metal light barriers, height 80 mm. Ten Cylindrical Lens ( 8 plano-convex, and 2 plano-concave ), size 50 x 50 mm, Side x Height. Manual included.","brand":"Lab Connections","offers":[{"title":"Default Title","offer_id":35646103650461,"sku":"15941","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/15941.jpg?v=1597258383"},{"product_id":"block-prism-115-x-65-x-20mm","title":"Block Prism - 115 x 65 x 20mm","description":"Index of refraction plate, made from acrylic. Polished surfaces.\u003cbr\u003eThis acrylic 115 x 65 x 20mm rectangular block is designed for use as an index of refraction plate, and has a polished surface.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646111252637,"sku":"14755","price":4.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14755.jpg?v=1597258397"},{"product_id":"block-prism-125-x-65-x-20mm","title":"Block Prism - 125 x 65 x 20mm","description":"Index of refraction plate, made from acrylic. Polished surfaces.\u003cbr\u003eThis acrylic 125 x 65 x 20mm rectangular block is designed for use as an index of refraction plate, and has a polished surface.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646111809693,"sku":"14757","price":4.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14757.jpg?v=1597258401"},{"product_id":"trapezoid-prism","title":"Trapezoid Prism","description":"Clear acrylic trapezoid. With one flat surface frosted to enhance visibility. Bases are 89mm and 40mm. Faces measure 47mm and 35mm.\u003cbr\u003eClear acrylic trapezoid. With one flat surface frosted to enhance visibility. Bases are 89mm and 40mm. Faces measure 47mm and 35mm.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646111973533,"sku":"14758","price":4.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14758.jpg?v=1597258403"},{"product_id":"hollow-prism","title":"Hollow Prism","description":"Equilateral. 45mm side. Has one hole for adding fluids to study refraction and dispersion.\u003cbr\u003eEquilateral. 45mm side. Has one hole for adding fluids to study refraction and dispersion.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646112497821,"sku":"14759","price":2.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14759.jpg?v=1597258416"},{"product_id":"double-concave-acrylic-prism","title":"Double Concave Acrylic Prism","description":"Made from clear acrylic.  One plane surface is frosted. 89mm long. 15mm thick. 25mm across the beam axis.\u003cbr\u003eMade from clear acrylic.  One plane surface is frosted. 89mm long. 15mm thick. 25mm across the beam axis.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646112628893,"sku":"14760","price":3.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14760.jpg?v=1597258409"},{"product_id":"double-convex-acrylic-prism","title":"Double Convex Acrylic Prism","description":"86mm long and 15mm thick. 18mm wide at center.\u003cbr\u003e86mm long and 15mm thick. 18mm wide at center.","brand":"United Scientific","offers":[{"title":"Default Title","offer_id":35646113054877,"sku":"14761","price":3.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/14761.jpg?v=1597258410"},{"product_id":"spectrum-tube-water-vapours","title":"Spectrum Tube - Water Vapours","description":"To study Spectral Lines of Pure Elements \/ Gases. Gas under pressure in the tubes is used to produce a light for spectral analysis. Brightness of light depends on the nature of gas. Optimum intensity, line resolution and longer life. Metal ends with long life electrodes. About 26 cm long, with 90 -100 mm of central capillary. For intermittent use only, not to be used as a lamp source. These are designed to operate 30 seconds ON~30 seconds OFF. Need Spectrum Tube Power Supply or an Induction Coil, sold separately.\u003cbr\u003eTo study Spectral Lines of Pure Elements \/ Gases. Gas under pressure in the tubes is used to produce a light for spectral analysis. Brightness of light depends on the nature of gas. Optimum intensity, line resolution and longer life. Metal ends with long life electrodes. About 26 cm long, with 90 -100 mm of central capillary. For intermittent use only, not to be used as a lamp source. These are designed to operate 30 seconds ON~30 seconds OFF. Need Spectrum Tube Power Supply or an Induction Coil, sold separately.","brand":"Lab Connections","offers":[{"title":"Default Title","offer_id":35646116429981,"sku":"16912","price":9.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0436\/3203\/3949\/products\/16912.jpg?v=1597258423"}],"url":"https:\/\/schoolmasters.com\/collections\/light-color\/50-100.oembed","provider":"Schoolmasters","version":"1.0","type":"link"}