Description
mounted on a swivel boss head fitting 18mm rods for secure angular placement on retort stands
Used to produce concentric Newton's rings under monochromatic light
and psychology teaching
sized to read one step up from the 0-1A meter when student circuits draw past the lower meter's full-scale deflection
Candle Holder, 20mm Material_Iron mounted on a swivel bossMatte black metal body 20mm in internal diameter and 22mm deep on a bench rod, holding a 20mm candle steady for thermal expansion, soot deposition, and convection experiments.
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