These jumbo sized pulleys are designed for classroom demonstration. The single, double, and triple pulleys are all 70mm in diameter. The pulleys are "open" type so users can run pulley...
The classic demonstration of spectral lines. These tubes acquaint students with the spectra of common gases in their pure form and are also used for demonstrating wavelength. Each gas has...
The classic demonstration of spectral lines. These tubes acquaint students with the spectra of common gases in their pure form and are also used for demonstrating wavelength. Each gas has...
Each specimen in this set of five metal cylinders has identical mass and radius. Materials included are aluminum, zinc, tin, steel and copper. Includes a storage box and activity guide.Additional...
Pre-cleaned coverslips are made of quality, non-corrosive glass and packaged in 1 oz. boxes. The 22 x 22mm sized coverslips are available in thickness #1 or #2. The #1 thickness...
Strong steel magnets, zinc-plated with North and South poles marked. Supplied with keeper.Additional Info: Strong steel magnets, zinc-plated with north and south poles marked. Supplied with keeper.Package Size(L x W...
These jumbo sized pulleys are designed for classroom demonstration. The single, double, and triple pulleys are all 70mm in diameter. The pulleys are "open" type so users can run pulley...
Strong steel magnets, zinc-plated with North and South poles marked. Supplied with keeper.Additional Info: Strong steel magnets, zinc-plated with north and south poles marked. Supplied with keeper.Package Size(L x W...
These jumbo sized pulleys are designed for classroom demonstration. The single, double, and triple pulleys are all 70mm in diameter. The pulleys are "open" type so users can run pulley...
Each specimen in this set of five diverse materials cylinders has identical mass and radius. Materials included are acrylic, PVC, nylon, aluminum and brass. Includes a storage box and activity...
Strong steel magnets, zinc-plated with North and South poles marked. Supplied with keeper.Additional Info: Strong steel magnets, zinc-plated with north and south poles marked. Supplied with keeper.Package Size(L x W...
Strong steel magnets, zinc-plated with North and South poles marked. Supplied with keeper.Additional Info: Strong steel magnets, zinc-plated with north and south poles marked. Supplied with keeper.Package Size(L x W...
Friction rods and pads are available in various materials. Rods are 12" long and approximately 1/2" in diameter. Pads are 12" x 12".Additional Info: Friction rods and pads are available...
Designed for particulate or biological contamination analysis of small volumes using a vacuum filter. Includes a fritted glass filter support and No. 5 perforated silicone stopper for easy attachment to...
Designed for particulate or biological contamination analysis of small volumes using a vacuum filter. Includes a fritted glass filter support and No. 5 perforated silicone stopper for easy attachment to...
The Celestial Globe is a demonstration device that shows the apparant positions of the stars visible from Earth. The three dimensional representation allows the relative angular positions of the constellations...