A rare 19th-Century lacquered-brass distance meter, by Stefan Ressel Vienna , the viewing tube with eyepiece and adjustable shade, adjustable mirror, mounted on a circular base with worm-gear adjustment, level and cross-bubble, with three adjustable screw feet -- 8.1/8in. (20.6cm.) high , and a photostat copy of original manuscript instructions for use, dated 1888, and a later printed sheet See Illustration
A rare 19th-Century lacquered-brass distance meter, by Stefan Ressel Vienna , the viewing tube with eyepiece and adjustable shade, adjustable mirror, mounted on a circular base with worm-gear adjustment, level and cross-bubble, with three adjustable screw feet -- 8.1/8in. (20.6cm.) high , and a photostat copy of original manuscript instructions for use, dated 1888, and a later printed sheet See Illustration
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