Rectangular Refraction Glass Block, 75 x 50 x 12mm Subcategory_Glass Tubing Dual output power supply pairing

Dual output power supply pairing a fixed 6V AC bus with a 0 to 6V variable DC line

this apparatus pairs two 8-inch polarizing filters in a wooden frame with four acrylic shapes that show photoelastic patterns when squeezed

Wood-based hydrostatic balance with two long pans and one short pan adjustable along a central column

Three-inch (75mm) magnifying lens on a 6

Rectangular Refraction Glass Block, 75 x 50 x 12mm Subcategory_Glass Tubing Dual output power supply pairingOptically worked rectangular glass refraction block at 75 by 50 by 12mm with slightly beveled edges, the slim profile slotting into ray tracing setups for clear refraction angle measurements.