US$ 109.99
0280 24 23/24 0
INDUSTRIAL STRENGTH || Made of high quality
providing the simplest open-or-closed action used to introduce circuit-completion concepts in early electricity units
this concave glass mirror at 100mm focal length runs at f/1 for vivid real-image demos and converging-reflection work
each disc 37 mm in diameter and 11 mm thick
Machined Vacuum Pump Plate, 200mm Diameter Size_13 Inch 0280 24 23/24 0200mm aluminum pump plate with a stopcock and integrated pump connector on a heavy tripod base, supplied with a rubber seal for bell jar vacuum demonstrations.
US$ 109.99
US$ 139.99
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US$ 139.99