Brass Lenses (various)
573
Hammer Price
€744
incl. Buyer's Premium
Estimate €600 – 800
Manufacture Year : c. 1860
Two French brass lenses from the 1860/70’s : (1) 'Derogy' with rack and pinion focusing and a set of 5 circular apertures, for easy changing of the aperture the upper section of the lens is mounted with a bayonet, brass lid with wooden knob, serial number 11,148, condition B, height 26cm, (2) 'Berthiot No7' very well-preserved lens for use with Waterhouse stops, condition B (2)