Longitude determination, 1913

Longitude determination, 1913

C034/5602 Rights Managed

Request low-res file

530 pixels on longest edge, unwatermarked

Request/Download high-res file

Uncompressed file size: 25.2MB

Downloadable file size: 2.2MB

Price image Pricing

Please login to use the price calculator


Credit: US NAVAL OBSERVATORY/SCIENCE PHOTO LIBRARY

Caption: Longitude determination. US astronomer George Andrews Hill (right, 1858-1927) listening to time signals from Paris, France, as part of longitude determination at the US Naval Observatory, Washington DC, USA, in August 1913. The Arlington (USA) and Eiffel (France) towers were used for transmitting such signals across the Atlantic, part of co-ordinating the official timing and co-ordinate systems. Photographed in the passageway to the south transit house at the US Naval Observatory.

Release details: Model release not required. Property release not required.

Keywords: 1900s, 1910s, 1913, 20th century, adult, american, arlington tower, astronomer, astronomical, astronomy, astrophysical, astrophysicist, astrophysics, black-and-white, calculating, caucasian, communication, communications, device, eiffel tower, equipment, france, french, g. a. hill, george andrews hill, historical, history, instrument, international standards, longitude determination, machine, male, man, measuring, monochrome, north america, north american, paris, people, person, radio, receiver, receiving, research, researcher, scientist, standard, technological, technology, telecommunication, telecommunications, time service, time signals, timing, transatlantic, transmitter, transmitting, two people, united states, us, us naval observatory, usa, washington dc

Licence fees: A licence fee will be charged for any media (low or high resolution) used in your project.