Can collapsible metal with pump, Collapsible metal can with a black no. 8 stopper with 1 hole & 1/4 fitting with 1 3/4 in opening with cap. Comes with hand operated vacuum pump. Used for pressure principals within the class room, Measure: 9 3/8in x 6 5/8in x 4 1/8in
Equilateral Prism, Material: Glass, Useful for Experiments in Optics, Light Refraction and Wavelengths, Designed for physics and educational uses. Because of their educational use design, there may be minor imperfections that do not affect physical function, Size: 3in (75mm) x 1in
Equilateral Prism, Material: acrylic, Refractive index close to optical glass, can produce a rainbow from a non-monochromatic light source such as sun light, Perfect for student use, which will not break or chip like glass, is a softer material, Size: 25mm length, 25mm face size
Tesla Coil, Tabletop, 220/240V, 50/60Hz, hands-free. It teaches about transformer, electromagnetism, resonating electrical circuit, inductance, capacitance, power transmission. The set consists of two antenna plate, small neon lightbulb, mini discharge electrode and lamp socket.
Prism, with different angle 25 x 25 x 130degree, Optical Borosilicate Crown glass having R.I. 1.510 App. Optically worked for use with Spectrometer, Equilateral, two facespolished 32 x 32 mm height.Double Extra Dense Flint R. Index 1.71-1.74, Weight (lb): 1.3, 6.3x6.3x3.9in