拍品專文
This lens dates from the late 1870s.
細節
VOIGTLÄNDER & SOHN, Wien & Braunschweig
A mammouth brass bound lens no. 21516 with mounting flange, cap and one Waterhouse stop - 19 inches high.
A mammouth brass bound lens no. 21516 with mounting flange, cap and one Waterhouse stop - 19 inches high.
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See illustration