Live auction - Lot 1175
[Surveying instruments]
Clitograph level.
Paris, J. Lefebvre, 1862-1900
€ 150 / 250
Live bidding (Drouot*) Live bidding (Invaluable*)Bidding is closed
Lot description
Steel frame, brass alidade, tubular spirit level.
Wooden box (31,5 x 25,5 x 5 cm).
Theodolite for calculating the level of a slope, invented and patented by Lefebvre in 1857.