Category Archives: Survey Artifact Collection
Levels, Wye and Dumpy
Jonathan Sisson introduced a wye level in London in the 1720s. In a wye level,...
Level, Wye and Dumpy, P & R Wittstock
Dumpy level No 865 with wooden box, manufactured by P & R Wittstock, Berlin.
Level, Wye and Dumpy, W. & L. E. Gurley W. & L. E. Gurley
Four leveling screws, scope 15" long, engraved "W.&L.E.GURLEY TROY N.Y."
Level, Wye and Dumpy, Cooke, Troughton & Simms
s/n S042193. This split bubble Level was Manufactured by Cooke, Troughton & Simms Ltd. of...
Level, Wye and Dumpy, Keuffel & Esser
Keuffel & Esser, tilting level, Serial No 91426 with wooden box.
Level, StanleyLevel, Wye and Dumpy,Level, Stanley
"48318, STANLEY, LONDON, MADE IN ENGLAND" is inscribed on the scope of the level.
Planimeter
The planimeter was a mechanical device that was used well before the mid-20th century. Determining...
Planimeter, ALSA 2006.11.01
Zero setting compensating planimeter, complete with original case, manual, all parts and accessories.
Planimeter, Stanley
Metal Planimeter in a leather-covered wooden case which also contains a metal counter-weight. "Stanley, Great...
Planimeter, Hughes Owens
Planimeter, The Hughes Owens Co. Ltd. s/n 10990, in black box.