Metal Dynamic Trolley, 2-Pack Lab Supplies_Stopwatches & Timers Marriot-style Boyle's Law apparatus on

Marriot-style Boyle's Law apparatus on a 250 by 175mm ABS plastic base with a 50mL gas syringe coupled to a pressure gauge for direct piston-and-gauge P-V data collection

5-cm closed ring on this plated mild steel retort accessory

bridging instrument panels to bare-wire components without rewiring

brake oil pressure sensor

Aluminum 1-inch diameter pendulum bob at 0

Metal Dynamic Trolley, 2-Pack Lab Supplies_Stopwatches & Timers Marriot-style Boyle's Law apparatus onAll metal dynamic trolley pair with integrated spring plunger triggers, tape clamping screws, Velcro collision pads, and stacking pins for durable repeated use in dynamics experiments.