MAKE A MEME View Large Image Usno-mc.jpg en US Naval Observatory's USNO Master Clock Ensemble Washington D C made up of a large number of Symmetricom 5071A cesium beam clocks rack in background This provides the time standard for the US military The large black object ...
View Original:Usno-mc.jpg (600x357)
Download: Original    Medium    Small Thumb
Courtesy of:commons.wikimedia.org More Like This
Keywords: Usno-mc.jpg en US Naval Observatory's USNO Master Clock Ensemble Washington D C made up of a large number of Symmetricom 5071A cesium beam clocks rack in background This provides the time standard for the US military The large black object in the foreground is a Symmetricom formerly Sigma-Tau MHM-2010 active hydrogen maser http //tycho usno navy mil/gif/clockvaults jpg US Naval Observatory 20 December 2008 original upload date Per source's http //www usno navy mil/privacy-policy Security Privacy Policy All information on this site is public domain and may be distributed or copied unless otherwise specified Use of appropriate byline/photo/image credits is requested PD-USGov-Military-Navy Caesium clocks Agilent Technologies
Terms of Use   Search of the Day