US$ 20.00
sized for sustained workshop work where the smaller 25W and 65W irons can't keep heavy joints flowing solder
with banana-plug terminals for physics and electronics laboratory lead connections
integrating directly into circuit demonstration builds without soldered leads
Copper 1-inch diameter pendulum bob at 2
demonstrating the mechanism behind crankshaft pistons and steering racks
Premium Gyroscope on Metal Stand with String Glassware_Glass Flasks sized for sustained workshop workHeavy duty all metal gyroscope with a 7. 5cm brass rotor balanced on three pairs of adjustable cast iron pivots, for studying precession, angular velocity, and torque.
US$ 20.00
US$ 17.95
US$ 99.95