Science and Technology

What is the principal instrument at the United States Naval Observatory?

Link to this answer

CloseClose

Link to this answer

Share this credible answer with others. Simply paste this code into your blog or Web page:

<a href="http://qanda.encyclopedia.com/question/principal-instrument-united-states-naval-observatory-238375.html" >What is the principal instrument at the United States Naval Observatory?</a>
E-mail this answer Link to this answer

The principal instrument at the Washington headquarters is an Alvan Clark 26-in. refracting telescope, which has been in almost continuous operation since its installation in 1873, when it was the largest of its kind in the world.

Answer verified with
Get more facts and information about United States Naval Observatory . Or, view the full encyclopedia entry from The Columbia Encyclopedia, Sixth Edition.

Similar questions: Which instrument is the most important instrument at the United States Naval Observatory? The United States Naval Observatory features which principal instrument? [ Hide these questions ]

Related research questions

Related research articles

Split-Second Timing
Newspaper article from: The Washington Post ...timepiece in the principal's office...it is in the United States. The official...the U.S. Naval Observatory on Massachusetts...system at the Naval Observatory...Observatory has two instruments called Maser...experts at the Naval Observatory...
See all results at HighBeam

HighBeam gives you access to newspaper, magazine, and trade journal articles plus press releases, facts, information, and biographies from thousands of sources.