.jpg?w=1)
Details
Beard patentee lens
lacquered-brass barrel (lacks focusing pinion), the barrel engraved R. BEARD. SOLE PATENTEE OF THE DAGUERREOTYPE. T. SLATER, OPTICIAN, LONDON, with mounting flange -- 4 inches (8cm) length; another lens (2)
lacquered-brass barrel (lacks focusing pinion), the barrel engraved R. BEARD. SOLE PATENTEE OF THE DAGUERREOTYPE. T. SLATER, OPTICIAN, LONDON, with mounting flange -- 4 inches (8cm) length; another lens (2)