Malvern Line Shaft Unit for Energy Transfer Subcategory_Specific Gravity Bottles For measuring the specific gravity

For measuring the specific gravity of light liquids

Pairs a 60mm lens with a 10cm focal length for higher magnification on fine detail

Cover-protected single-phase rheostat with constantan winding and 4mm safety socket terminals at plus-or-minus 10% nominal-value tolerance

Alnico Grade III bar pair at 75 x 15mm with steel keepers in a cardboard box

NPN transistor in a protective enclosure with labeled base

Malvern Line Shaft Unit for Energy Transfer Subcategory_Specific Gravity Bottles For measuring the specific gravityNylon bearinged 6mm steel line shaft with a 56mm aluminum V pulley at one end and a cord anchoring collar at the other, winding weights for electrical to potential energy work.