Altimeter, E.R. Watts & Son
Brass altimeter, 8 cm in diameter x 3 cm depth with a glass cover. The...
Altimeter, Thommen Everest
Hand held THOMMEN EVEREST pocket altimeter. This altimeter is made of leather plastic and metal...
Altimeter, American Paulin Systems
Altimeter, Micro, Model M-2, s/n NS1201K, with Manual "American Paulin System, Altimetry Manual"
Altimeter, Topley
This altimeter is marked “No. 8070, Compensated, The Topley Company, “D.L.S. special.” It comes with...
Altimeter, Short & Mason
F.2453. This altimeter is calibrated in feet and inches of mercury. Pocket watch style brass...
Altimeter, Pennwalt Wallace & Tiernan
This altimeter is one of a pair. They are marked “Pennwalt” “Wallace & Tiernan” Model...
Altimeters
Altimeters measure the height above sea level by measuring barometric pressure. Altimeters and barometers are...
Hugh Pearson Photograph Collection
Collection of photographs taken by Hugh Pearson, D.L.S, A.L.S.
George Zouch Pinder Photo Collection
The accompanying photos were taken by George Zouch Pinder while surveying as an assistant to...
Making Their Mark
A presentation on surveyors and surveying in Alberta.