Public domain
If you happen to be commander of a Navy ship you will be happy to know about this new piece of mechanism. It is the result of the combined efforts of various branches of the Navy Dept. It is a theodolite (compass for measuring the horizon) that will be used on Navy ships. Mr. R.L. Currie of the aero
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Subjects
Credit lineIf you happen to be commander of a Navy ship you will be happy to know about this new piece of mechanism. It is the result of the combined efforts of various branches of the Navy Dept. It is a theodol. 1928-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
