We offer a collection of teaching instruments used in Laboratories of physics, chemistry and natural sciences. These include instruments for: Static Electricity and Tangent Coil Galvanometers, Gyroscopes, Acoustics, Astronomy, Electrical Measurements. Electric Motors, Fluids, Heat Apparatus, Mechanics, Optics, Oscillations and Waves, Polarized Light.
A precision level is a measuring instrument, used together with a measuring staff, to gauge the exact...
Underwood & Underwood began publishing stereographs in 1890 and established an educational unit in 1895....
The rapid development of electronics and computerization in the mid 20th century, and the invention of...
Received the package today - beautiful! My grandparents had purchased the postcards when traveling...