US$ 124.50
and titrating with a burette
a transparent cover
Zinc-plated rectangular steel bar-magnet pair packaged with keepers that bridge the poles in storage
3 geometry stretching focal throw for distant-screen projection of well-formed real images
Non-flammable adjustable face shield with crown strap protects the full face from splashes
Physics Demonstration Microphone Type_Abacus and titrating with a burettePiezoelectric crystal microphone covering 60 10,000Hz with a 1. 4m screened lead, terminals, and jack plug, ready to drop into oscilloscope and signal analysis investigations of sound.
US$ 124.50
US$ 82.00
US$ 88.00
US$ 195.00