Men of Fort Story operate an azimuth instrument, to measure the angle ...
Picryl description: Public domain image of military training, armed forces fort, camp, exercise activity, free to use, no copyright restrictions.
Fort Story coast defense. Men at Fort Story, Virginia operate an azimu...
Picryl description: Public domain image of military training, armed forces fort, camp, exercise activity, free to use, no copyright restrictions.
Vandenberg Air Force Base, Space Launch Complex 3, Azimuth Alignment S...
Survey number: HAER CA-133-1-N Public domain photograph - historical image of California, United States, free to use, no copyright restrictions image - Picryl description
Vandenberg Air Force Base, Space Launch Complex 3, Azimuth Alignment S...
Survey number: HAER CA-133-1-N Public domain photograph - historical image of California, United States, free to use, no copyright restrictions image - Picryl description
Neck chamers for the artillery. A battery commander telescope expert c...
Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description
Men of Fort Story operate an azimuth instrument, to measure the angle ...
Picryl description: Public domain image of military training, armed forces fort, camp, exercise activity, free to use, no copyright restrictions.
Fort Trumbull, Connecticut. Lieutenant Wolf points out the reflecting ...
Public domain photograph of Connecticut in 1930s, free to use, no copyright restrictions image - Picryl description