Battery-Operated Ticker Tape Timer with Holder Lab Equipment and Supplies_Plastic Labware with 4mm sockets at each

with 4mm sockets at each end for resistivity comparison

overload cut-off with resettable switch

Pairs 100mm of length with 25mm faces on a polished acrylic equilateral prism

Needle valve and flame stabilizer add precision control to this nickel-plated micro Bunsen burner running on LPG or butane for small-flame work

Medium-size 5-inch pulley on a universal clamp accepting a variety of support surfaces

Battery-Operated Ticker Tape Timer with Holder Lab Equipment and Supplies_Plastic Labware with 4mm sockets at eachBattery operated two speed ticker timer in a scratch proof shock absorbing case, printing 25 or 45 dots per second for velocity and acceleration measurement across dynamics experiments.