Plano-Cylindrical Concave Lens, +17 Diopter, 50 x 50mm Category_Plasticware 5-inch stainless steel rod cradle

5-inch stainless steel rod cradle burettes

letting students read low-cell voltages and high-tension supply outputs on the same meter

Funnel has a 19/26 size socket and includes an interchangeable plastic stopper

Flat form case with large easily read scale in Metric and Newton range

Five removable sections separate the enlarged ear into outer

Plano-Cylindrical Concave Lens, +17 Diopter, 50 x 50mm Category_Plasticware 5-inch stainless steel rod cradlePlano cylindrical lens at 50 by 50mm with 17 diopter optical power and ground polished edges, the cylindrical curvature focusing light to a line rather than a point in optics demos.