Human Circulatory System Model, Hand-Painted Plastic Labware_Plastic Measuring Cylinders Eight aluminum-shank tuning forks tuned

Eight aluminum-shank tuning forks tuned to scientific pitch (C4 = 256Hz) and ranging from 5 9/16 to 7 1/8 inches

measuring period under different loads to isolate mass from weight

Built for wing-spreading during insect mounting

Triple tandem plastic pulley with 25/38/50mm ball-bearing wheels on an open-sided 17

Twelve-ball drilled set in a foam-lined plastic case with two each of aluminum

Human Circulatory System Model, Hand-Painted Plastic Labware_Plastic Measuring Cylinders Eight aluminum-shank tuning forks tunedHand painted arterial red and venous blue vessels trace the full systemic and pulmonary circulation across a mounted human figure for cardiovascular teaching.