Phototheodolite, designed by Prof. E.J. Mills

Phototheodolite, designed by Prof. E.J. Mills, 1895-1905. Plus height adjustable swivel stand on Museum base, tripod legs and 12 photographic plate plate holders (dark slides).

Details

Category:
Surveying
Object Number:
1917-113
type:
phototheodolite
credit:
J.C. Stevens (Auction Sales)

Parts

Photographic plates for Phototheodolite, 1895-1905

Photographic plates for Phototheodolite, 1895-1905

Selection of 12 photographic plate holders (dark slides) for the photo-theodolite designed by Prof. E. J. Mills, 1895-1905. Each plate frame is numbered (1-12).

Measurements:
overall: 160 mm x 140 mm x 130 mm, 1.275kg
Materials:
brass (copper, zinc alloy) , mahogany (wood) , ivory and rubber (unidentified - possibly ebonite)
Object Number:
1917-113 Pt2
type:
instrument component , plate holder and phototheodolite
Image ©
The Board of Trustees of the Science Museum