US$ 99.00
Single-pole double-throw switch on a demonstration base
this silicone-belt Van de Graaff generator demonstrates charge conservation
and an 18mm attachment diameter for pulling small weights in mechanical-advantage experiments
5-inch height including the hook
showing how the center of gravity of a solid passes through its support polygon
Polypropylene Test Tube Rack for 40 x 20mm Tubes Subcategory_Dropping Funnels Single-pole double-throw switch on aSnap together polypropylene test tube rack holding 40 tubes up to 20 mm across a 9. 75 inch length, shipping flat and disassembling for easy cleaning between uses.
US$ 99.00
US$ 99.00
US$ 99.00
US$ 29.95
US$ 24.99
US$ 17.91