Accession No

2709

Brief Description

Battenberg Mk.5 naval course indicator, 1950 (c)

Origin

Maker

Class

navigation

Earliest Date

1950

Latest Date

1950

Inscription Date

Material

metal (aluminium); plastic (perspex); wood

Dimensions

box length 409mm; breadth 425mm; height 100mm

Special Collection

Provenance

Purchased from Christie’s, South Kensington, London, England; lot 198, 8/1/1981.

Inscription

‘ADMIRALTY PATT 602
BATTENBERG MK.5
SERIAL NO. BTM 385
W
K’ (plate on reverse, similar plate on box)

Description Notes

Circular aluminium course indicator. Aluminium plate marked with lines and numbers, surmounted by perspex circle with red and green radiating lines and concentric circles with degree scale 0-360 clockwise at perimeter. Aluminium ring divided 0-360 by 1o and two aluminum arms, pivoted centrally, both divided 2-34 and with cursors and screw clamps (one red, one green). Reverse has 3 ‘handles’ framing stand and circular volvelle relating time to distance. Clamp on rim (apparently not effective). Fitted wooden box.

References

Events