Accession No

3259

Brief Description

extensometer, by Carl Zeiss, German, 1/2 20th Century

Origin

Germany; Jena

Maker

Carl Zeiss

Class

metrology

Earliest Date

1900

Latest Date

1950

Inscription Date

Material

metal (two white metals, brass); glass; wood (mahogany, one other)

Dimensions

length 406mm; breadth 270mm; height 110mm; box length 434mm; breadth 301mm; height 160mm

Special Collection

Provenance

Transferred from Department of Engineering, University of Cambridge, Cambridge, England, 08/1985.

Inscription

‘C ZEISS
A
11488’ (on lens)

Description Notes

Extensiometer of white metal (electroplated brass?) construction. Optical tube with push-fit eyepiece marked ‘3 Mikrometer’ and microscope objective by Zeiss. Swivelling mirror directs light at microscope. Metal bar at right-angles to optical tube has a pair of clamps at each end. for securing sample. Fitted mahogany box with brass hinges, lock (no key), and handle.

Condition fair

References

Events