The Navicade was introduced to the market in 2005 and has really taken off as a replacement for barrels. The narrow design and offset handle makes picking up and setting up extremely quick and easy.. Unique Handle Design. Slim Style - 49.25" H x 7.6" W. Weighs only 3 lbs. (without base). Molded-in holes for mounting light and ropes. Can be used to rope work area. Stackable for easy transportation or storage. Snug fitting bases will not be knocked over. Accepts up to four (4) bands of 4" reflective sheeting. Navicade is designed for easy placement and pick-up from a truck bed. Made of durable low-density polyethylene. Federal Highway Administration Approved. NCHRP 350 Compliant
The Navicade was introduced to the market in 2005 and has really taken off as a replacement for barrels. The narrow design and offset handle makes picking up and setting up extremely quick and easy.. Unique Handle Design. Slim Style - 49.25" H x 7.6" W. Weighs only 3 lbs. (without base). Molded-in holes for mounting light and ropes. Can be used to rope work area. Stackable for easy transportation or storage. Snug fitting bases will not be knocked over. Accepts up to four (4) bands of 4" reflective sheeting. Navicade is designed for easy placement and pick-up from a truck bed. Made of durable low-density polyethylene. Federal Highway Administration Approved. NCHRP 350 Compliant
The Navicade was introduced to the market in 2005 and has really taken off as a replacement for barrels. The narrow design and offset handle makes picking up and setting up extremely quick and easy.. Unique Handle Design. Slim Style - 49.25" H x 7.6" W. Weighs only 3 lbs. (without base). Molded-in holes for mounting light and ropes. Can be used to rope work area. Stackable for easy transportation or storage. Snug fitting bases will not be knocked over. Accepts up to four (4) bands of 4" reflective sheeting. Navicade is designed for easy placement and pick-up from a truck bed. Made of durable low-density polyethylene. Federal Highway Administration Approved. NCHRP 350 Compliant
The Navicade was introduced to the market in 2005 and has really taken off as a replacement for barrels. The narrow design and offset handle makes picking up and setting up extremely quick and easy.. Unique Handle Design. Slim Style - 49.25" H x 7.6" W. Weighs only 3 lbs. (without base). Molded-in holes for mounting light and ropes. Can be used to rope work area. Stackable for easy transportation or storage. Snug fitting bases will not be knocked over. Accepts up to four (4) bands of 4" reflective sheeting. Navicade is designed for easy placement and pick-up from a truck bed. Made of durable low-density polyethylene. Federal Highway Administration Approved. NCHRP 350 Compliant.
The Navicade was introduced to the market in 2005 and has really taken off as a replacement for barrels. The narrow design and offset handle makes picking up and setting up extremely quick and easy.. Unique Handle Design. Slim Style - 49.25" H x 7.6" W. Weighs only 3 lbs. (without base). Molded-in holes for mounting light and ropes. Can be used to rope work area. Stackable for easy transportation or storage. Snug fitting bases will not be knocked over. Accepts up to four (4) bands of 4" reflective sheeting. Navicade is designed for easy placement and pick-up from a truck bed. Made of durable low-density polyethylene. Federal Highway Administration Approved. NCHRP 350 Compliant.
• 100% Nylon micro mesh fabric
• Lightweight and breathable for comfortable wear
• Neck and arm holes offer full range of motion
• Available in Fluorescent Green or Orange
These hi-viz Mesh Vests easily separate students into teams for group activities, making them a great addition to any class. Featuring a 100% nylon micro mesh fabric, these vests are lightweight and breathable. These vests offer a full range of motion.
• 100% Nylon micro mesh fabric
• Lightweight and breathable for comfortable wear
• Neck and arm holes offer full range of motion
• Available in Fluorescent Green or Orange
These hi-viz Mesh Vests easily separate students into teams for group activities, making them a great addition to any class. Featuring a 100% nylon micro mesh fabric, these vests are lightweight and breathable. These vests offer a full range of motion.
Neutral glass. Uniform thickness. Available in 3 sizes.
Set of 2 lenses, 1 concave and 1 convex, 38 mm diameter, 150 mm focal length.
Set of 2 lenses, 1 concave and 1 convex, 38 mm diameter, 150 mm focal length.
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.
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.
To demonstrate interference of light. Consists of a pair of glass plates, optically polished, 60mm in diameter, one plane and the other plano-convex mounted together in a baked enamel finish metal frame. Pressure between the plates is adjustable by three nickel-plated brass screws. Instructions included.
To demonstrate interference of light. Consists of a pair of glass plates, optically polished, 60mm in diameter, one plane and the other plano-convex mounted together in a baked enamel finish metal frame. Pressure between the plates is adjustable by three nickel-plated brass screws. Instructions included.
The original Hydrometer. Brass, baked enamel finish. It is used to measure density of both solids (which are not soluble) and liquids denser than water. Instructions included.
The original Hydrometer. Brass, baked enamel finish. It is used to measure density of both solids (which are not soluble) and liquids denser than water. Instructions included.
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.
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. Set of 10.
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. Set of 10.
• NON-ANSI
• 100% POLYESTER TRICOT
• 26" - 50"
• LIME SOLID VEST
• NO REFLECTIVE TAPE
• Constructed of 420D nylon pack cloth
• School Safety Patrol emblem on both sides
• Stitched fabric edges
• Elastic side straps
• Slip easily over a jacket or coat
• 2 Pass urethane coating
• Easily cleaned with a damp cloth
These Slip-Over Safety Patrol Capes are constructed of 420D nylon pack cloth and are screened with our School Safety Patrol emblem on both sides. The durable nylon material has a 2 pass urethane coating making them easy to clean with a damp cloth. They have stitched fabric edges and elastic side straps. These capes will easily slip over a jacket or coat.
Small
14 ½" Across should to shoulder
16" From Shoulder to hem
Medium
15" Across should to shoulder
22" From Shoulder to hem
Large
17" Across should to shoulder
27" From Shoulder to hem
• Raglan sleeves
• 100% nylon taffeta
• Byron collar
• Elastic cuffs
• Color-matched snap closure
• Reinforced nylon pockets
• Drawstring bottom
• Water repellent
Available in 5 colors with STAFF, SECURITY, or SCHOOL SAFETY PATROL screened on front and back.
Limited quantities available
These popular lightweight protective glasses have 8.5 base curve polycarbonate dual lens, and offer 99% UV protection. Lenses are treated with a scratch resistant coating. Integrated rubber temples for firm hold. Fits all face sizes. Lanyard included with every pair. Meets the requirements of ANSI Z87.1 Impact.
Demonstrates the action of electric current on a magnet. Magnetic needle with brass bearing supported by pivot mounted on a base and surrounded by a rectangle of copper rod fitted with terminals.
It is the ideal teaching tool to introduce elementary and middle school students to the science of meteorology and has a pivoting beam that provides accuracy to 0.5 gram divisions. The interchangeable red square pans are easily removable for pouring, cleaning, and storage. With a capacity of 2000 grams, mass measurements can be achieved for small items such as paper clips, marbles and coins as well as heavier objects such as books. Pan dimensions: 5.5" (14cm)W x 5.5" (14cm)H
It is the ideal teaching tool to introduce elementary and middle school students to the science of meteorology and has a pivoting beam that provides accuracy to 0.5 gram divisions. The interchangeable red square pans are easily removable for pouring, cleaning, and storage. With a capacity of 2000 grams, mass measurements can be achieved for small items such as paper clips, marbles and coins as well as heavier objects such as books. Pan dimensions: 5.5" (14cm)W x 5.5" (14cm)H
Capacity: 610 Grams. Sensitivity: 0.1 Grams. Calibrations: Front Beam - 10g x 0.1g, Center. Beam - 500g x 100g, Rear Beam - 100g x 10g
To verify Ohm's Law. The apparatus consists of one wire wound rheostat, one moving coil voltmeter and one moving coil ammeter, mounted on a bakelite plate in a wooden case. With four terminals, two for battery connection and two for resistance coil. Supplied with one resistance coil, without battery.
To verify Ohm's Law. The apparatus consists of one wire wound rheostat, one moving coil voltmeter and one moving coil ammeter, mounted on a bakelite plate in a wooden case. With four terminals, two for battery connection and two for resistance coil. Supplied with one resistance coil, without battery.
• 800 Yard range
• Power from 8 to 12 watts
• Adjustable volume control
• Powerful siren
• Ergonomic handle
• Convenient carry wrist strap
• Takes six AA batteries (not included)
• Yellow
Large groups and teams on wide open fields will benefit from this 8 Watt Megaphone. Able to be heard up to 800 yards away, this megaphone also comes with a built-in siren when you need to get their attention. The adjustable volume control allows you to adapt to different crowds and instances, while the convenient wrist strap and ergonomic handle makes it easy to hold and transport this megaphone.