A GROUP OF BULLSEYE CONDENSING LENSES
ENGLISH, CIRCA 1860-70
The brass and glass condensors of usual form, attributable to Powell & Lealand, J.B. Dancer, Powell & Lealand, Andrew Ross, and R & J. Beck
13in. (33cm.) high (5)
A GROUP OF BULLSEYE CONDENSING LENSES
ENGLISH, CIRCA 1860-70
The brass and glass condensors of usual form, attributable to Powell & Lealand, J.B. Dancer, Powell & Lealand, Andrew Ross, and R & J. Beck
13in. (33cm.) high (5)
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