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The double-headed eagle, representing the Holy Roman Empire, stands on a bobbin holding in its wings the outer sphere of the universe showing the elements of time from which the world is made: months, days, planets, signs of the zodiac, etc. Engraving by P. Miotte.
Date: [1646]Reference: 46390i- Books
Select mechanical exercises: shewing how to construct different clocks, orreries, and sun-dials. On plain and easy principles. With several miscellaneous articles, and new tables. I, for expeditiously computing the time of any new or full moon within ... 6,000 years before and after the 18th century ... II. For graduating and examining the usual lines ... To which is prefixed, a short account of the life of the author / by James Ferguson.
Ferguson, James, 1710-1776.Date: 1778- Books
- Online
Mechanick dialling; or, the new art of shadows, freed from the many obscurities, superfluities and errors of former writers upon this Subject. The Whole laid down after so plain a Method that any Person (though a Stranger to the Art) With a Pair of Compasses and Common Ruler only, May make a Dial upon any Plane for any Place in the World, as well as those who have attained to the greatest Knowledge, and Perfection in the Mathematics. Illustrated with many copper plates, and Examples of Dials for London, Exeter, Bristol, Worcester, Oxford, Cambridge, Norwich, Lincoln, Chester, Liverpool, York, Newcastle upon Tyne, Durham, Edinburgh, Dublin, &c. To which are Added, I. A Collection of above 300 Mottos in Latin and English. 2. A new and correct Alphabetical Table of the most eminent Cities and Towns in the World; shewing the Elevation of the Pole, and the Difference of their Meridians from London. 3. The best and most approved Methods of Painting Sun Dials. A Work not only useful for Artificers, but very entertaining for Gentlemen and those Students at the Universities, that would understand Dialling, without the Fatigue of going through a Course of Mathematics. A new edition. not only very much improved by the Addition of the New Star-Dial, &c. but is the only Book upon the Subject that has been adapted to the New Stile. By Mr. Charles Leadbetter.
Leadbetter, Charles, active 1728.Date: MDCCLXXIII. [1773]- Books
- Online
Lectures on select subjects in mechanics, hydrostatics, hydraulics, pneumatics, and optics. With The use of the Globes, The Art of Dialing, and The Calculation of the Mean Times of New and Full Moons and Eclipses. By James Ferguson, F. R. S.
Ferguson, James, 1710-1776.Date: 1799- Pictures
Clocks: various forms of sundial. Engraving by J. Taylor.
Reference: 45220i