Hydraulic Press with Borosilicate Glass Cylinders Item Type_Cell Model Higher-impedance single-decade resistance box stepping

Higher-impedance single-decade resistance box stepping from 10k to 100k ohms in 10k-ohm increments

disc commutator

Half life-size circulatory system board traces arterial and venous pathways from heart to peripheral capillaries with numbered

paired with the 750mm black lead to keep wiring color-coded across mid-distance bench setups

Engineered with a higher spring constant than a classic coiled novelty spring

Hydraulic Press with Borosilicate Glass Cylinders Item Type_Cell Model Higher-impedance single-decade resistance box steppingBorosilicate glass hydraulic press model with graduated cylinders on a metal frame and a petcock on the smaller cylinder, visualizing Pascal's principle mechanical advantage directly.