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Astronomical clock


  • Webster's Revised Unabridged Dictionary
    • Astronomical clock A clock of superior construction, with a compensating pendulum, etc., to measure time with great accuracy, for use in astronomical observatories; -- called a regulator when used by watchmakers as a standard for regulating timepieces.
    • Astronomical clock See under Clock.
    • ***


In literature:

It was these astronomical researches that led him to apply the pendulum to regulate the movements of clocks.
"A History of Science, Volume 2(of 5)" by Henry Smith Williams
The seasoned sleeper who survived the ten minutes' bombardment before 8 o'clock was an unusual person, and he was often the Astronomer Royal.
"The Home of the Blizzard" by Douglas Mawson
I took the occasion of its termination (four o'clock, fifty minutes) to set my watch by astronomical time.
"Personal Memoirs Of A Residence Of Thirty Years With The Indian Tribes On The American Frontiers" by Henry Rowe Schoolcraft
This led, some years later, to perfecting an astronomical clock for measuring movements of the stars.
"Little Journeys to the Homes of the Great - Volume 12" by Elbert Hubbard
This city is famous for its immense fortifications, its Minster, or Cathedral, and the Astronomical Clock of the Three Sages.
"Eric" by Mrs. S. B. C. Samuels
It's Henry VIII's Astronomical Clock; it has all sorts of appliances and strange attachments.
"John and Betty's History Visit" by Margaret Williamson
The clock, constructed by Dent, with the assistance of the Astronomer Royal, is true to a second of time, and has a compensation pendulum.
"Old and New London" by Walter Thornbury
The usual weight of the bobs of the best pendulums for an ordinary astronomical clock is about 15 lb.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5" by Various
Here, too, is a somewhat dismantled and fragmentary astronomical clock of the species best seen at Strasburg.
"The Cathedrals and Churches of the Rhine" by Francis Miltoun
An astronomic clock is shown in the church.
"Julia Ward Howe" by Laura E. Richards
About 1326 an astronomical clock was erected at St. Albans.
"England in the Days of Old" by William Andrews
Astronomical clocks are made of the best workmanship, with every advantage that can promote their regularity.
"Letters on Astronomy" by Denison Olmsted
With the musical relics of the olden time preserved in Strassburg must be classed the so-called Astronomic Clock.
"Musical Myths and Facts, Volume I (of 2)" by Carl Engel
It was the second of two complicated astronomical clocks which Father Borghesi designed and which Bertolla constructed.
"Smithsonian Institution - United States National Museum - Bulletin 240" by Anonymous
The great astronomical clock here is a curious and wonderful piece of mechanism.
"Over the Ocean" by Curtis Guild

In news:

Prague Astronomical Clock Oct 15.
Prague, Czech Republic (WBNG Binghamton) Video of the Day for Monday, October 15, 2012 was of the Astronomical Clock in the Old Town Square of Prague.
While Harrison was reinventing the clock, astronomers turned the heavens into a celestial timepiece.
Prague Astronomical Clock Oct 15.
Prague, Czech Republic (WBNG Binghamton) Video of the Day for Monday, October 15, 2012 was of the Astronomical Clock in the Old Town Square of Prague .

In science:

MSPs can also be used as high-precision astronomical clocks.
Four Highly Dispersed Millisecond Pulsars Discovered in the Arecibo PALFA Galactic Plane Survey
Solving the longitude problem was to do with making a clock which would sustain a sufficiently consistent rate at sea, so that an accurate time was at hand for taking astronomical sights.
The Behaviour of Clocks and Rods in Special and General Relativity
Modest integration times to see faint astronomical sources can be achieved by clocking the CCD imager readout at a rate that matches the slow sidereal rate.
Does the Lunar Surface Still Offer Value As a Site for Astronomical Observatories?