Description
and pneumatic demonstrations
paired against zinc
Three-in-one weather station on a 5
designed to hold visible iron-filing field lines and support side-by-side magnet-strength comparisons in mechanics labs
Concave Glass Mirror, 75mm Diameter, 100mm Focal Length Metal Labware_Metal Labware Sets and pneumatic demonstrationsPairs 75mm of aperture with a 100mm focal length on a concave glass surface, the f 1. 3 ratio giving fast convergence with moderate working distance for image formation work.
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