Wheatstone's Photometer by Secretan

Wheatstone's Photometer by Secretan, Paris, 19th century, 1 3/4-in. dia. lacquered brass drum with geared reduction linkage, engraved on side in script "Secretan a Paris," with hand-crank below, housed in the original velvet-lined fitted case. Estimate $200-300 The absence of a condition statement does not imply that the lot is in perfect condition or completely free from wear and tear, imperfections or the effects of aging. Condition requests can be obtained via email (lot inquiry button) or by telephone to the appropriate gallery location (Boston/617.350.5400 or Marlborough/508.970.3000). Any condition statement given, as a courtesy to a client, is only an opinion and should not be treated as a statement of fact. Skinner Inc. shall have no responsibility for any error or omission.