Bourdon Gauge, 0-2.5 kg/cm² / 0-35 PSI Item Type_Springs and a 1-degree protractor

and a 1-degree protractor

Virtually unbreakable ABS-plastic dynamics cart pair with two-level spring punches

Relay-based NAND-gate module on a demonstration base

demonstrating how a crane lifts loads through the mechanical advantage of a large wheel turning a small axle

sized to extend RC time-constants where charging and discharging curves stay watchable in real time

Bourdon Gauge, 0-2.5 kg/cm² / 0-35 PSI Item Type_Springs and a 1-degree protractorClear case Bourdon gauge with a 3. 88 inch face reading 0 2. 5 kg cm and 0 35 psi, visible inner mechanism letting students watch how the Bourdon tube curves under changing pressure.