Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 359
POCKET ALT-AZIMUTH … 4020 4020. Pocket Alt-Azimuth, for Travelers and Military Surveyors;altitudes, azimuths, compass bearings, clinometer degrees andlevels, all are obtainable by this handy and accurate little instru-ment. The advantages of its use have been so increased by therecent addition of an excellent telescope…
Engineering instruments · Drawing instruments
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
