File: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 LCCN2016889097.tif
DescriptionIf 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 LCCN2016889097.tif
English: Title: 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 aerological office Bureau of Aeronautics, Navy department is shown with this instrument which will be used to site pilot balloons sent from shipboard for the sake of gathering weather information
Abstract/medium: 1 negative : glass ; 4 x 5 in. or smaller
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.