04-12-2019 04-12-2019
Skinner Auctions
Skinner Auctions Marlborough MA
3230M Marlborough
April 12, 2019 10:00 AMCalender

Charles T. Amsler Vernier Compass

Auction: Clocks, Watches & Scientific Instruments - 3230M Location: Marlborough Date / Time: April 12, 2019 10:00AM


Charles T. Amsler Vernier Compass, Philadelphia, Pennsylvania, 5 1/2-in. brass engraved dial marked as above, with outkeeper, (lacking needle), and glass housing, lg. 14 in.

Note: Charles T. Amsler is not mentioned in Charles Smart's book The Makers of Surveying Instruments In America Since 1700. However, we know Amsler emigrated from Switzerland, and was active in Philadelphia from 1848 to 1855, working as Amsler & Wirtz from 1856 to 1861.
Estimate $200-250

one screw knob on vane sight is broken, one level is replaced, brackets holding compass body replaced.

Items may have wear and tear, imperfections, or the effects of aging. 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 shall have no responsibility for any error or omission.


Charles T. Amsler, Charles Smart, Philadelphia