Accession Number: 2011.ph.513
Spherometer with box (half of box). Spherometer consists of a metal measuring disc and a ruler mounter on a tripod base. Measurements on both are metric.
Primary Materials: Metal, painted metal, cardboard.
Spherometer: “CENCO” written on disc. Box: “3360; K51; SPHEROMETER STUDENT FORM; –cient. Instr.; Central Scientific Company; SCIENTIFIC INSTRUMENTS CENCO LBORATORY SUPPLIES; CHICAGO”
Dimensions (cm): Spherometer: 7×5.5×5 Box: 8x8x8
Use dto determine the radius of curvature of concave and convex surfaces of mirrors and lenses.
Spherometer in excellent condition. Box has some tears and scratches inside and out.
Date of Manufacture: Early to Mid-Twentieth Century
University of Toronto Physics Department.
Object was received with two additional spherometers (now numbered 2011.ph.517 and 2011.ph.518) and assorted other objects with uncertain relationships (now labelled 2011.ph.522) all together in the box.