Digital Vernier Caliper Subcategory_Bases and Rods Thermally isolated 150mL aluminum reservoir

Thermally isolated 150mL aluminum reservoir inside a polystyrene-lined jacket

and amplitude

Hand-cranked pulley steps up to a smaller dynamo pulley through a rubber belt

Square-section aluminum 42-inch bench graduated in 1cm steps along its 100cm rail

this double-convex converging lens gathers parallel light to a single focal point for bright image-formation demonstrations

Digital Vernier Caliper Subcategory_Bases and Rods Thermally isolated 150mL aluminum reservoirLCD display with inch millimeter toggle on this hardened stainless steel digital vernier caliper, reading to 0. 001 inch with a friction roller and a lock mechanism for held readings.