Jules LEFEBVRE & Cie, à Paris, seconde moitié... Lot n° 187 1
result :
Not available
Estimate :
Subscribers only
"Clitograph with frame, projecting ears" in copper-plated cast iron, with a spirit level on the brass tangent (or oscillating) scale.
With brass graduated ruler.
Signed.
29 x 23.5 cm.
Wear, scratches and oxidation.
In its wooden box, with Maison label (scratches and bumps; lid slightly off-set).
In a February 1873 advertising prospectus, it is explained that "Niveaux-Equerre with protruding ears [...] are intended for use on rulers for unstraightened surfaces, and, therefore, particularly in Building Construction".
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