Scientific Photogate Timer System ACCESSORY w/ Switch, Light, & Clamp

Scientific Photogate Timer System Sensor ACCESSORY

Thomas Scientific 8788T36 Traceable 5020 Stopwatch Countdown / Countup Timer

Precision Scientific Time It Timer 69235 for Biological & Medical Laboratory

(lot of 4) Thomas Scientific No. 65 Spherical Joint Pinch Clamp

Vintage 1940s TIME-IT Laboratory Timer - Precision Scientific Co - Chicago

Lot of 4 Fisher Scientific Castalloy Support Rings w/ Clamp Ring Stand - 2-5/8"

Boston Scientific Swiss LithoClast Select w/ Footswitch, Air Hose - For Parts