Accession No

2204

Brief Description

optic square, by E. R. Watts and Son Canada Ltd., Canadian, 1900 (c)

Origin

Canada

Maker

E. R. Watts and Son Canada Ltd.

Class

surveying

Earliest Date

1900

Latest Date

1900

Inscription Date

Material

metal (alloy)

Dimensions

diameter 57mm; thickness 20mm

Special Collection

Provenance

Transferred from Department of Geography, University of Cambridge, Cambridge, England, 05/1969.

Inscription

‘E R WATTS & SON CANADA Ltd’

Description Notes

Metal alloy box; black finish. Index and horizon glasses fixed at 45 degrees to each other. Pinhole sight and two windows.

References

Events