Ventes live - Lot 1175
[Surveying instruments]
Clitograph level.
Paris, J. Lefebvre, 1862-1900
€ 150 / 250
Enchérir en direct (Drouot*) Enchérir en direct (Invaluable*)Les enchères sont closes
Description du lot
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.
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