Battery-Operated Ticker Tape Timer with Holder Lab Equipment and Supplies_Plastic Labware Needle valve and flame stabilizer

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

with dual rotation dials for quantitative analysis of gear ratios and rotary motion transmission

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

25-inch base raises a magnetic needle to a 4

Used where strong

Battery-Operated Ticker Tape Timer with Holder Lab Equipment and Supplies_Plastic Labware Needle valve and flame stabilizerBattery 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.