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Locomotion
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Locomotion
E. R. Watts & Son
Nationality:
British
Thought to have been established in 1857, see web link, incorporated around 1922
Related Objects
Combined optical square & hand level, British, 1920-1926 (optical square; plummet level)
Balloon theodolite by E.R. Watts & Son, pat.no.114 (balloon theodolite)
14" Canadian Pattern Y-level, by E.R. Watts and So
Road tracer type level with target, British, 1923-1927 (surveying level; levelling staff)
Part of levelling staff, British, 1915-1922 (instrument component; levelling staff)
Met Office Mk B type balloon theodolite, 1919 (theodolite)
Mark II Cotton-Type Range Finder (Naval Instrument)
Balloon theodolite MkII by E.R. Watts and Son (theodolite)
Acetylene signal lamp with heliograph (lamp)
Plotting rule by E.R. Watts & Son London, marked H (plotting rule)
Balloon theodolite by E.R. Watts & Son, London, No (balloon theodolite)
See more related objects