Accession No

6021

Brief Description

stereo & circular multi-use protractor, made by Heffer, mid-twentieth century

Origin

Cambridge

Maker

Heffer

Class

earth sciences; cartography; drawing; crystallography

Earliest Date

1930

Latest Date

1960

Inscription Date

Material

plastic

Dimensions

length: 277mm; maximum width: 104mm

Special Collection

Brian Harland collection

Provenance

Donated on or before 11/01/2005.

Inscription

“The Barker Crystallographic Protractor”
“Heffer Cambridge”

Description Notes

Ruler and protractor, with stereographic projection. Note on its use by by Brian Harland reads: “For drawing stereographic projections not only used for global maps but also used for structural geology and crystal[l]ography”.

Condition: Good (complete).

References

Events