US$ 49.99
covering metals
Polished hardwood test tube rack with a traditional two-tier design
sized for beginner circuit and physics labs
sized to read one step up from the 0-1A meter when student circuits draw past the lower meter's full-scale deflection
Opisometer Geology covering metalsOpisometer with a knurled wheel on a threaded spindle, rolling along curved lines on maps, charts, and drawings to convert winding distance into straight line length for geography coursework.
US$ 49.99
US$ 150.00
US$ 119.99
US$ 119.99
US$ 18.99