Survey Artifact Collection

The Society has a diverse collection of donated survey artifacts. These are grouped together by...

Altimeters measure the height above sea level by measuring barometric pressure. Altimeters and barometers are...

This altimeter is one of a pair. They are marked “Pennwalt” “Wallace & Tiernan” Model...

F.2453. This altimeter is calibrated in feet and inches of mercury. Pocket watch style brass...

This altimeter is marked “No. 8070, Compensated, The Topley Company, “D.L.S. special.” It comes with...

Altimeter, Micro, Model M-2, s/n NS1201K, with Manual "American Paulin System, Altimetry Manual"

Hand held THOMMEN EVEREST pocket altimeter. This altimeter is made of leather plastic and metal...

Brass altimeter, 8 cm in diameter x 3 cm depth with a glass cover. The...

In 1642, Blaise Pascal is credited with designing one of the earliest forms of a...

Hand held calculator Simpsons Sears Model Digi-matic 8 Model 41030, S/N 135988. This calculator is...

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