Sciothericum telescopicum, or, A new contrivance of adapting a telescope to an horizontal dial for observing the moment of time by day or night useful in all astronomical observations, and for regulating and adjusting curious pendulum-watches and other time-keepers, with proper tables requisite thereto / by William Molyneux ...
- Title
- Sciothericum telescopicum, or, A new contrivance of adapting a telescope to an horizontal dial for observing the moment of time by day or night useful in all astronomical observations, and for regulating and adjusting curious pendulum-watches and other time-keepers, with proper tables requisite thereto / by William Molyneux ...
- Author
- Molyneux, William, 1656-1698.
- Publication
- Dublin :: Printed by Andrew Crook and Samuel Helsham ..., and are to be sold by W. Norman ..., and S. Helsham and El. Dobson ...,
- 1686.
- Rights/Permissions
-
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- Subject terms
- Chronograph -- Early works to 1800.
- Time measurements -- Early works to 1800.
- Astronomical instruments.
- Link to this Item
-
https://name.umdl.umich.edu/A70606.0001.001
- Cite this Item
-
"Sciothericum telescopicum, or, A new contrivance of adapting a telescope to an horizontal dial for observing the moment of time by day or night useful in all astronomical observations, and for regulating and adjusting curious pendulum-watches and other time-keepers, with proper tables requisite thereto / by William Molyneux ..." In the digital collection Early English Books Online. https://name.umdl.umich.edu/A70606.0001.001. University of Michigan Library Digital Collections. Accessed May 10, 2025.
Contents
- title page
- TO HIS EXCELLENCY Henry Earl of Clarendon, LORD Lieutenant General, AND GENERAL GOVERNOUR OF His MAJESTIES Kingdom OF IRELAND.
-
Sciothericum Telescopicum,
OR,
A New Contrivance of Adapting a Telescope
To a large Horizontal Dial, for observing the
moment of Time by Day or Night.
- CHAP. I. The Ʋse and Advantages of this Contrivance.
- CHAP. II. Of the Methods used for observing the Exact Moment of Time, and their Inconveniencies and Troubles.
- CHAP. III. A Description of the Instrument.
- CHAP. IV. Of the Stile-Nut, and Ruler-Joynt.
- CHAP. V. Of the Telescopick Sights, and their true Adjusting.
- CHAP. VI. The Way of Setting this Dial.
- CHAP. VII. For Finding a Meridian Line.
- CHAP. VIII. The Manner of observing the Time, and exactly deter∣mining it by the Sun or Stars.
- CHAP. IX. Of the Tables of the Suns and Stars Temporary Right Ascensions.
- CHAP. X. Concerning the Astronomical Equation of Time, and the Tables thereof.
- CHAP. XI. Of the Tables of the Circumpolar Stars, their Calculation and Ʋses.
- TABLES OF THE Suns Right Ascension in Time TO EVERY Ten Minutes of the ECLIPTICK.
- TABLES OF AEQUATION OF Natural Days.
- CALCULATION OF Hours and Minutes for an HORIZONTAL-DIAL. DUBLIN Lat. 53°. 20′.