US$ 30.00
and 400 ppm
Twelve-position substitution box rotating through 100 ohms to 470k ohms at 1W and plus-or-minus 1%
with a spout for easy pouring
with circuit diagram printed for demonstration
Brass Slotted Mass Set with Hanger, 4 x 50g (250g Total) Lab Supplies_Scoops & Spatulas and 400 ppmFour 50 gram brass slotted masses paired with a 50 gram hanger, totaling 250 grams for suspension from pulleys, springs, and balance arms during physics force and pressure experiments.
US$ 30.00
US$ 137.99
US$ 182.99
US$ 30.00
US$ 25.00
US$ 32.99
US$ 174.50
US$ 73.99
US$ 85.99
US$ 132.50