Description
Open-frame demonstration DC motor exposing armature
configured to make and break a circuit at the rhythm of a Morse-code transmission for telegraph-history demonstrations
Sturdy wooden pulley simple-machine model with multiple pulleys mounted in series and parallel
Push-button engagement on a hand-cranked single-sided cone clutch
Metal Bench Clamp with Pulley and Metal Bearing Lab Equipment_Lab Burners Open-frame demonstration DC motor exposingMetal bench clamp with an integrated pulley on a metal bearing, clamping to bench edges for pulley experiments that need a fixed overhang off the worktop.
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