Accession No

0128

Brief Description

Geological compass, c.1900

Origin

England

Maker

Class

surveying

Earliest Date

1900

Latest Date

1900

Inscription Date

Material

metal (brass, steel); glass; wood (beech (?)); paper

Dimensions

Compass diameter 52mm; clinometer radius 63mm; side of box 76mm; depth of box (closed) 27mm

Special Collection

Robert Whipple collection

Provenance

Purchased by Robert Stewart Whipple at Aldeburgh on 04/09/1923.

Inscription

Description Notes

Beech (?) box fitted with compass and clinometer. Compass has paper card with 32-point rose and degree scale graduated 0 - 90 - 90 - 0 numbered by 10 divided to 1. Steel needle with brass locking bar. Two bubbles set into box with mutually perpendicular axes. Pinhole/window sights (with wire cross hairs) in brass mounted on edge of box. Brass clinometer in lid. Degree scale divided 0 - 90 numbered by 10 divided to 1 and scale of 0 - 144 inces per yard (many digits missing, scale reads 0, 4, 36, 48, 60, 7[2], 96, [1]44) read by arm with window and wire over scale. Brass bar on side of box holds lid at 90 degrees to base when open. Brass hinges and hook fasteners.

Condition good; complete

References

Events