US$ 100.00
LED circuits
fabricated from glass tubing 6 mm bore
Element-stamped 20mm solid brass cube for density investigation
and redistribution during cell division for biology instruction
Brass eight-piece slotted mass set totaling 1100 grams from 10 to 500 gram pieces
Boyle's Law Glass Tubes, Open and Closed, 2-Piece Entomology & Zoology_Zoology Charts & Models LED circuitsTwo piece Boyle's Law glass tube set with one open and one closed tube, sized for demonstrating the inverse pressure volume relationship of a gas at constant temperature.
US$ 100.00
US$ 59.00
US$ 39.00
US$ 53.95
US$ 29.95
US$ 69.00
US$ 105.00
US$ 52.00
US$ 49.00