US$ 107.50
Higher-range 30-0-30mA center-zero galvanometer at 20mA sensitivity and plus-or-minus 2
verifying the Boolean disjunction operation by direct observation
the largest value in the demonstrator line for slow RC charging and high-energy capacitor-discharge work
NPN transistor in a protective enclosure with labeled base
Single Pulley with 1 Hook, Aluminum Frame, 3.5 x 2" LabLearner Higher-range 30-0-30mA center-zero galvanometer atAluminum bodied single pulley in a 3. 5 by 2 inch metal frame with a centered 2 inch wheel and one hook, sized to suspend from a stand for mechanical advantage experiments.
US$ 107.50
US$ 94.00
US$ 102.00