US$ 58.00
and 500mm focal lengths for comparative refraction experiments
áExtremely high resolution of 0
Heavy-duty powder-coated square dual boss head joins two rods up to 15mm at right angles on retort stand frames
the standard 30-60-90 geometry giving classic deviation behavior for comparing against equilateral and wedge geometries
capable of producing repeated sparks once the base is charged by friction
Ocean Feature Teaching Model Glass Sets & Apparatus_Organic Chemistry Sets and 500mm focal lengths forLabeled ocean feature model showing underwater geological formations and marine geography on a wall mountable backboard for oceanography reference.
US$ 58.00
US$ 57.00
US$ 32.99
US$ 32.99
US$ 39.00
US$ 86.00