Spherometer

Physics

Accession Number: 2011.ph.513

Description:

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.

Alternative Name:

Primary Materials: Metal, painted metal, cardboard.

Markings:

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

Function:

Use dto determine the radius of curvature of concave and convex surfaces of mirrors and lenses.

Condition:

Spherometer in excellent condition. Box has some tears and scratches inside and out.

Associated Instruments:

Manufacturer: Cenco

Date of Manufacture: Early to Mid-Twentieth Century

Provenance:

University of Toronto Physics Department.

Donated to UTSIC: No

Historical Notes:

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.