Accession No

2953

Brief Description

colorimeter, by Bausch and Lomb Optical Company, U.S.A., c. 1940

Origin

U.S.A.; New York; Rochester

Maker

Bausch and Lomb Optical Company

Class

optical

Earliest Date

1940

Latest Date

1940

Inscription Date

Material

metal; glass

Dimensions

length 210mm; breadth 127mm; height 334mm

Special Collection

Provenance

Transferred from Department of Pathology, University of Cambridge, Cambridge, England, 29/3/1983.

Inscription

‘BAUSCH
& LOMB
OPTICAL CO.
ROCHESTER N.Y.
U.S.A.’ (on two metal plaques)
‘USA PATENT
1,806.621
2.101.934
SERIAL No 5207’ (on metal plaque)
‘U.S.A. PATENT
APPLIED FOR
SERIAL NO.’ (on metal plaque)

Description Notes

Metal base. Lamp. 2 milled knobs adjust height of specimen and standard beneath metal casing. Prismatic arrangement for combining images. Screw-fit eyepiece with draw tube. Silvered scales viewed through magnifying aperture. Electric lead and plug.

Condition: good/fair.

References

Events