CE: Atomic Bathroom Digital Alarm Clock With suction cup (1, White) - Ken-Tech
Book: The Quantum Beat: Principles and Applications of Atomic Clocks - Springer
Home: Atomic Desk/bedroom Alarm Clock-1.5" Time Number, Back Blue Light - Ken-Tech
eBooks: Finding Longitude: How ships, clocks and stars helped solve the longitude problem - Collins
Mobile Application: Observatory - ElizabethApp
Home: Ken-tech Atomic Radio Controlled Alarm Clock Jumbo 2 Inch Time LCD Digits with Date and Temperature (1) - Ken-Tech
Home Improvement: lsp_186621_1 Susans Zoo Crew Florida - observatory building sketch st augustine - Light Switch Covers - single toggle switch - 3dRose LLC
Home Improvement: lsp_76780_6 Sandy Mertens Natures Fury - Hurricane Sandy NASA Earth Observatory Collage - Light Switch Covers - 2 plug outlet cover - 3dRose LLC
Watch: Bulova Mens 96B175 "Precisionist" Stainless Steel Watch - Bulova
Home: Jumbo LED Alarm Clock Radio Signal LCD Screen Easy-to-read W/ Weather & Date - SONNET INDUSTRIES
Toy: Family Pastimes / Secret Door - An Award Winning Co-operative Mystery Game - Family Pastimes Ltd.
Single Detail Page Misc: 54-08f SANTA BARBARA COUNTY COURTHOUSE POST CARD .. from Hibiscus Express
Watch: Bulova Mens 98B152 Precisionist Rubber Strap Watch - Bulova
DVD: THE STORY OF A WATCH, 1922 - National Archives and Records Administration
Book: FROM TIME BALL TO ATOMIC CLOCK The Royal Observatory Hong Kong - Hong Kong Government Publication
eBooks: Splitting The Second: The Story of Atomic Time - Taylor & Francis
Home: Set of 2 Units Ken-tech Atomic Radio Controlled Alarm Clock Jumbo 2 Inch Time LCD Digits with Date and Temperature - Ken-Tech
Entertainment Memorabilia: KEN NORDSIECK - TYPED LETTER SIGNED 08/29/1986
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Observatory Clock Popular Q&A
Q: Where is the us naval observatory's master clock located?
A: The Master Clock is located in the USNO Clock Read More »
Q: Why does a clock which keeps GMT run slower than a observatory cl...
A: GMT time is the mean solar day's time, or the time it takes the mean sun (the average one, not the real one) to go from one noon meridian crossing to the next d... Read More »
Q: How accurate is the time displayed on the Internet from the US Na...
A: The link you gave is about 1 second off on my computer. It really is a "simple time" pusher, without any allowance for internet time delays. I'm near Philadelph... Read More »
Q: Naval Observatory (USNO) official clock, do you want your wrist w...
A: Within less than 5 seconds-- that's close enough for me-- and close enough to setup my computer driven telescope. Read More »
Q: Why are there two times on the observatory clock, and why is one ...
A: The "wrong" time on the clock shows the sidereal time , which is which "line of celestial longitude" (the technical term is "meridian of right ascension") is pa... Read More »