US$ 140.00
showing how current through an iron core builds magnetic flux in student investigations
spherically ground
demonstrating how a crane lifts loads through the mechanical advantage of a large wheel turning a small axle
Decade capacitance box stepping 10nF to 100nF in 10nF increments at plus-or-minus 5% on 63V
5 inches tall
Test Tube with Side Arm, 125 x 16mm, Borosilicate Glass Entomology & Zoology_Entomology Supplies showing how current through anTest tube with side arm in borosilicate glass measures 125 x 16mm for gas collection, distillation, and vacuum filtration applications.
US$ 140.00
US$ 200.00
US$ 172.50