Watts survey lamp, British, 1968-1979

Watts survey beacon lamp SH100, in metal case, with bulb assembly, tripod and instruction book (not seen), Serial No.263132. HO 28 (new condition) by Rank Precision Industries Ltd, Great Britain, 1968-1979

Details

Category:
Surveying
Object Number:
1989-513
type:
surveying beacon lamp
credit:
Hydrographic Department

Parts

Case for survey beacon, British, 1968-1979

Case for survey beacon, British, 1968-1979

Metal case for Watts survey beacon lamp SH100, by Rank Precision Industries Ltd, United Kingdom, 1968-1979

Measurements:
overall: 132 mm x 330 mm x 240 mm, 4.72kg
Materials:
cotton (textile) , string , canvas , brass (copper, zinc alloy) , steel (metal) , rubber (unidentified) , plastic (unidentified) , glass , aluminium (metal) , copper (metal) and electronic components
Object Number:
1989-513 Pt3
type:
instrument component and instrument case
Image ©
The Board of Trustees of the Science Museum
Bulb assembly for survey beacon lamp

Bulb assembly for survey beacon lamp

Bulb assembly for Watts survey beacon lamp SH100, by Rank Precision Industries Ltd, No.263132. HO 28

Measurements:
overall: 60 mm 22 mm, .08kg
Object Number:
1989-513 Pt4
type:
surveying beacon lamp and component - object
Image ©
The Board of Trustees of the Science Museum