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Hollow Prism
Hollow Prism
14759

Equilateral. 45mm side. Has one hole for adding fluids to study refraction and dispersion.
Equilateral. 45mm side. Has one hole for adding fluids to study refraction and dispersion.

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$4.50 Each
Night Spectra Quest Guide
Night Spectra Quest Guide
13658

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.
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.

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$3.25 Each
Spectrum Tube Power Supply
Spectrum Tube Power Supply
16997

This power supply provides safe and reliable operation for 1 spectrum tube. The unique design supplies a voltage that prolongs the life of the spectrum tubes. Specially designed sockets eliminate electrical shock hazards. The unit operates at 120V @ 60Hz. (Tube not included). Output Voltage: 5000V without spectrum tube. 1000V @ 10mA w/ spectrum tube. 13 3/4" (H) x 4 5/8" (W) x 3 1/2" (D). 10.00 lbs.
This power supply provides safe and reliable operation for 1 spectrum tube. The unique design supplies a voltage that prolongs the life of the spectrum tubes. Specially designed sockets eliminate electrical shock hazards. The unit operates at 120V @ 60Hz. (Tube not included). Output Voltage: 5000V without spectrum tube. 1000V @ 10mA w/ spectrum tube. 13 3/4" (H) x 4 5/8" (W) x 3 1/2" (D). 10.00 lbs.

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$175.00 Each
Spectrum Tube - Xenon
Spectrum Tube - Xenon
16915

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.
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.

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$18.50 Each
Block Prism - 115 x 65 x 20mm
Block Prism - 115 x 65 x 20mm
14755

Index of refraction plate, made from acrylic. Polished surfaces.
This acrylic 115 x 65 x 20mm rectangular block is designed for use as an index of refraction plate, and has a polished surface.

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$8.50 Each
Equilateral Acrylic Prism - 3"
Equilateral Acrylic Prism - 3"
11840

Made of cast acrylic. 1" sides.
Delight your students as they use this prism to separate white light into a spectrum of color. 3 inch long Equilateral prism, made from high quality clear acrylic sheet. Highly polished surfaces. 1 inch sides.

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$5.10 Each
Optics Kit
Optics Kit
14264

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
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

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$38.50 Set
Plain Mirror Strip - 4" x 4"
Plain Mirror Strip - 4" x 4"
14750

Made from plate glass about 1/16" thick. Highly Silvered back.
This 4in x 4in mirror is made from plate glass about 1/16in thick with a highly silvered back.

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$1.35 Each
Plastic Mirror Support
Plastic Mirror Support
14034

Securely hold a mirror in a vertical position on any flat surface. Packages of 6.
Securely hold a mirror in a vertical position on any flat surface. Packages of 6.

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$2.75 Set
37.5 mm Concave Mirror
37.5 mm Concave Mirror
11997

Unmounted, high-quality silvered glass. Focal length 150 mm.
Unmounted, high-quality silvered glass. Focal length 150 mm.

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$1.75 Each
Spectroscope Kit w/ Study Guide
Spectroscope Kit w/ Study Guide
15234

Diffraction grating spectroscope is used to show that sunlight can be broken into colored light and to study these colors and their relationships. Students view different types of light and compare the spectra. A preparation for understanding methods used in astronomy. 1" diameter.
Diffraction grating spectroscope is used to show that sunlight can be broken into colored light and to study these colors and their relationships. Students view different types of light and compare the spectra. A preparation for understanding methods used in astronomy. 1" diameter.

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$5.95 Each
75 mm Lens Set
75 mm Lens Set
14921

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.
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.

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$15.95 Set
Ray Optics Kit
Ray Optics Kit
15941

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.
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.

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$290.00 Kit
Spherometer
Spherometer
14762

A fine instrument for determining the results of curvature of spherical surfaces such as mirrors and lenses. Its micrometer screw is graduated to measure displacement as small as 0.01mm. The instrument has two brass plates and three steel legs. A flat glass plate is provided for support while taking precision readings.
A fine instrument for determining the results of curvature of spherical surfaces such as mirrors and lenses. Its micrometer screw is graduated to measure displacement as small as 0.01mm. The instrument has two brass plates and three steel legs. A flat glass plate is provided for support while taking precision readings.

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$11.50 Each
Spectrum Tube - Water Vapours
Spectrum Tube - Water Vapours
16912

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.
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.

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$18.50 Each
Spectrum Tube - Nitrogen
Spectrum Tube - Nitrogen
16909

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.
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.

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$18.50 Each
Spectrum Tube - Neon
Spectrum Tube - Neon
16908

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.
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.

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$18.50 Each
Spectrum Tube - Hydrogen
Spectrum Tube - Hydrogen
16905

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.
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.

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$18.50 Each
Spectrum Tube - Argon
Spectrum Tube - Argon
16902

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.
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.

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$18.50 Each
Double Convex Acrylic Prism
Double Convex Acrylic Prism
14761

86mm long and 15mm thick. 18mm wide at center.
86mm long and 15mm thick. 18mm wide at center.

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$7.95 Each
Double Concave Acrylic Prism
Double Concave Acrylic Prism
14760

Made from clear acrylic. One plane surface is frosted. 89mm long. 15mm thick. 25mm across the beam axis.
Made from clear acrylic. One plane surface is frosted. 89mm long. 15mm thick. 25mm across the beam axis.

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$7.95 Each
Trapezoid Prism
Trapezoid Prism
14758

Clear acrylic trapezoid. With one flat surface frosted to enhance visibility. Bases are 89mm and 40mm. Faces measure 47mm and 35mm.
Clear acrylic trapezoid. With one flat surface frosted to enhance visibility. Bases are 89mm and 40mm. Faces measure 47mm and 35mm.

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$8.50 Each
Block Prism - 125 x 65 x 20mm
Block Prism - 125 x 65 x 20mm
14757

Index of refraction plate, made from acrylic. Polished surfaces.
This acrylic 125 x 65 x 20mm rectangular block is designed for use as an index of refraction plate, and has a polished surface.

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$8.95 Each
Block Prism - 100 x 75 x 20mm
Block Prism - 100 x 75 x 20mm
14756

Index of refraction plate, made from acrylic. Polished surfaces.
This acrylic 100 x 75 x 20mm rectangular block is designed for use as an index of refraction plate, and has a polished surface.

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$8.50 Each