Strong Alnico 1 Cylindrical Magnets, shipped in pairs, with separators and keepers. North pole marked with a dot.
Multiple program timer turns on automatically two or more times in 24 hours. Grounded for safety when used in three-prong electrical outlets.
Kit includes 1 each of Test Tube Rack for 6, Test Tube Brush, Test Tube Clamp, Crucible Tongs, Lab Scoop, 6" Spatula and Forceps.
Kit includes 1 each of Test Tube Rack for 6, Test Tube Brush, Test Tube Clamp, Crucible Tongs, Lab Scoop, 6" Spatula and Forceps.
Aluminum, brass, copper, and steel. 50mm x 12.5 mm.
Aluminum, brass, copper, and steel. 50mm x 12.5 mm.
What floats in cold water, sinks in hot? Our precisely calibrated cylinder demonstrates the differing density of a liquid at different temperatures. Fits most graduated cylinders. Illustrated instructions. Good for middle school.
What floats in cold water, sinks in hot? Our precisely calibrated cylinder demonstrates the differing density of a liquid at different temperatures. Fits most graduated cylinders. Illustrated instructions. Good for middle school.
Glass mounted for use with Spectrometers and Spectrum Tubes. Viewing area 44 mm x 300mm. 15,000 lines per inch.
Glass mounted for use with Spectrometers and Spectrum Tubes. Viewing area 44 mm x 300mm. 15,000 lines per inch.
Easy to read LCD display. On/Off switch. Never needs calibration. Range: -58 degrees to 300 degrees Fahrenheit
Easy to read LCD display. On/Off switch. Never needs calibration. Range: -58 degrees to 300 degrees Fahrenheit
Neodymium (NdFeB) is the most powerful magnet material in the world. Neodymium is classified as an element in the lanthanides section of the Periodic Table. These are the super strong magnets you have heard about that can attract through your hand.
Easily handles evaporating dishes hollow articles, etc., from 3" to 4 3/4" (75mm to 120mm). Stainless steel with riveted joints. Length 9 1/2".
Easily handles evaporating dishes hollow articles, etc., from 3" to 4 3/4" (75mm to 120mm). Stainless steel with riveted joints. Length 9 1/2".
• .02mm polyethylene disposable poncho, yellow
• Attached hood
• Fits easily into pocket, tool box, or glove compartment
• Available in 3 colors
• One size fits all
These lightweight disposable ponchos with attached hood are made from .02mm thick polyethylene material and are available in yellow, orange and clear material. Ponchos are easy to put on and take off and especially easy to store. Put a light one in your pocket when you go see your favorite football game, or put a couple in your tent for those outdoor activities. One size fits all. 50" x 80". Sold by the dozen.
This basket, with wide, net like structure on all sides is useful for draining different laboratory apparatus after washing them. Made of polypropylene, this tray can be autoclaved. Dimensions 16" wide x 16" deep x 4" high.
This basket, with wide, net like structure on all sides is useful for draining different laboratory apparatus after washing them. Made of polypropylene, this tray can be autoclaved. Dimensions 16" wide x 16" deep x 4" high.
Large, easy to read numbers and graduations. -40 degreesC to +50 degreesC.
Large, easy to read numbers and graduations. -40 degreesC to +50 degreesC.
Serves to demonstrate Boyle's Law. Shows what happens when gases are subjected to increased pressure. The plastic syringe, with solid wood base and platen, is constructed so that the calibrations denoting interior volume read right side up. As masses of bricks, books, or other heavy objects are increased, the gas in the syringe is compressed to smaller and smaller volume. The kit includes: 1 Syringe Cylinder w/ Cap, 1 Syringe Piston, 1 Base, 1 Platen.
Serves to demonstrate Boyle's Law. Shows what happens when gases are subjected to increased pressure. The plastic syringe, with solid wood base and platen, is constructed so that the calibrations denoting interior volume read right side up. As masses of bricks, books, or other heavy objects are increased, the gas in the syringe is compressed to smaller and smaller volume. The kit includes: 1 Syringe Cylinder w/ Cap, 1 Syringe Piston, 1 Base, 1 Platen.
Consists of an inner aluminum vessel 75mm x 50 mm, height x diameter, and an outer aluminum vessel 100 mm x 75 mm, height x diameter, with a bakelite cover with two terminals, which are cross-drilled at their lower ends and are fitted with a heating coil, the upper ends are fitted with standard sockets for electrical connections. The bakelite cover has holes for thermometer and a stirrer. Supplied complete with stirrer but without thermometer.
Consists of an inner aluminum vessel 75mm x 50 mm, height x diameter, and an outer aluminum vessel 100 mm x 75 mm, height x diameter, with a bakelite cover with two terminals, which are cross-drilled at their lower ends and are fitted with a heating coil, the upper ends are fitted with standard sockets for electrical connections. The bakelite cover has holes for thermometer and a stirrer. Supplied complete with stirrer but without thermometer.
Includes everything you'll need to show that electricity can act very much like a magnet. One large nail, one five-foot piece and one 1 1/4-foot piece of plastic insulated wire with end connectors, one knife-edge switch, two screws, one 3" x 4" x 1" wooden block and complete instructions. Battery not included.
• Spiked Ice Grippers for safety on ice
• Make icy conditions easier to navigate
• 360 degree spike pattern provides more push off and lateral grip
• The patented Ice Diamond carbide spikes
• Spikes are integrated into the open/close split rubber tread for improved traction
• Unique support on heel strap provides easy adjustment
• Easy to put on and take off.
• Small/Medium fits mens 3-7, womens 5-9.
• Large/X-Large fits mens 6-14, womens 10+
For safety on ice, these easy-on spikes make icy conditions easier to navigate. The patented Ice Diamond carbide spikes are integrated into the open/close split rubber tread for improved traction. Unique support on heel strap provides easy adjustment, and are easy to put on and take off. Ideal for visitors or offiice personnel who occasionally walk into areas where ice and snow may cause a safety concern. Small/Medium fits mens 3-7, womens 5-9. Large/X-Large fits mens 6-14, womens 10+.
Create crisp, legible notes on your whiteboard without unpleasant odors in your classroom or conference room. EXPO dry-erase markers help make your presentation a pleasant experience for all.
• Smooth-flowing Expo markers deliver crisp, consistent lines.
• Low-odor design. Specially formulated ink has virtually no odor.
• Chisel-point marker is usable on most non-porous surfaces.
• Wipes off easily.
Create crisp, legible notes on your whiteboard without unpleasant odors in your classroom or conference room. EXPO dry-erase markers help make your presentation a pleasant experience for all. Smooth-flowing Expo markers deliver crisp, consistent lines. Low-odor design. Specially formulated ink has virtually no odor. Chisel-point marker is usable on most non-porous surfaces. Wipes off easily.
This borosilicate (heat resistant) glass conical shaped flask with side arm is used in filtration processes.
100 ml Flask uses a size 4 stopper
150 ml Flask uses a size 5 stopper
250 ml Flask uses a size 6.5 stopper
500 ml Flask uses a size 6.5 stopper
This Choking Poster (updated for 2013), explains in great detail how to help an adult who is choking in a step by step process. This first aid poster breaks down instructions on how to help a choking victim. If a victim is conscious, this poster illustrates in great detail instructions for following 3 steps to provide emergency help. If a victim becomes unconscious, there are instructions to follow steps 1-4. Illustrations are sharp and colorful; the text is large making reading easy. This adult choking first aid poster is critical to have on hand at any restaurant, school, child care facility, or business. 18" x 24".
The Child Choking Poster by Bruce Algra (years 1-8), updated for 2017, shows and explains how to help a child who is choking in a step by step easy to follow process. The top of the poster shows the 3 critical steps to take when the child is choking and conscious. The bottom of the poster shows what to do if the child becomes unconscious (or is unconscious already). Illustrations are sharp, colorful and text is large to make it easy to read. This is an important life saving reference for restaurants, schools, child care facilities, business, or any place children are present. 18" x 24".
Tells you what you need to know in the event of adults needing cardiopulmonary resuscitation (CPR. Life-like illustrations combined with large text are presented in a simple to learn by following the numbers format. Plus brilliant colors make each poster simply spectacular. 18" x24" .
Tells you what you need to know in the event of children needing cardiopulmonary resuscitation (CPR). Life-like illustrations combined with large text are presented in a simple to learn by following the numbers format. Plus brilliant colors make each poster simply spectacular. 18" x 24".