E. R. Watts & Son

occupation:
Optical instrument maker
Nationality:
British

active 1857-1922/1926, optical instrument maker, London, England, British

Related Objects

Combined optical square & hand level, British, 1920-1926

Rubber tube from acetylene signal lamp with heliograph attachment used for geodetic surveying in Uganda

Lamp barrel of acetylene signal lamp with heliograph attachment used for geodetic surveying in Uganda

Diaphragm from acetylene signal lamp with heliograph attachment used for geodetic surveying in Uganda

Diaphragm from acetylene signal lamp with heliograph attachment used for geodetic surveying in Uganda

Case for Brunton pocket transit compass, British, 1918-1922

Brunton pocket transit compass, British, 1918-1922

Part of sectioned micrometer transit theodolite, 1926

Stand for Brunton pocket transit compass, British, 1918-1922

Part of levelling staff, British, 1915-1922

14" Canadian Pattern Y-level

See more related objects