US$ 36.00
1 ohms to 1 ohm in 0
this analog DC ammeter at 0
5-inch Alnico bar pair
and copper supports density
Polypropylene round test tube rack holding 12 tubes — four at 25 mm and eight at 19 mm — with 360-degree access for benchtop chemistry demonstrations and student experiments
Simple Machines Wedge Model Material_Aluminum 1 ohms to 1 ohmUsed to demonstrate how a wedge multiplies force during splitting, this wooden simple machine model lets students measure input effort against output splitting force at different wedge angles.
US$ 36.00
US$ 24.99
US$ 11.42
US$ 114.50
US$ 114.50
US$ 153.00
US$ 36.00
US$ 29.99
US$ 61.99
US$ 127.50
US$ 114.50
US$ 153.00
US$ 30.00
US$ 50.90