The Surveying Altimeter is an aneroid type altimeter weighing approximately nine pounds, designed for use up to
4,500 meters above and 300 meters below sea level. It consists of a pressure sensing mechanism, a pointer, a dial, and
various accessories, housed in an aluminum case and cover.
1 Annular mirror
2 Phillips head dial
4 Desiccant indicator
Figure 2. Dial of surveying altimeter.