23 results filtered with: Quadrants (Astronomical instruments)
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The sector on a quadrant, or, a treatise containing the description and use of four several quadrants; two small ones and two great ones, each rendred many wayes, both general and particular. Each of them accomodated for dyalling; for the resolving of all proportions instrumentally; and for the ready finding the hour and azimuth universally in the equal limbe. Of great use to seamen and practioners in the mathematicks / Written by John Collins accountant philomath. Also an appendix touching reflected dyalling [by J. Lyon] From a glass placed at any reclination.
Collins, John, 1625-1683.Date: 1659
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MS Arabic 593
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The nature and use of Hadley's quadrant, with a preface containing the theory, on which that noble and useful instrument is founded. And a description of the nonius.
Date: 1790?]- Books
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The description and use of a portable instrument, vlugarly [sic] known by the name of Gunters quadrant : by which is perform'd most propositions in astronomy, as the altitude, azimuth, right ascention, and declination of the sun, &c. : also his rising, and setting and amplitude, together with the hour of the day or night, and other condusions exemplified at large : to which is added the use of Nepiars bones in multiplication, division, and extraction of roots, also the the nocturnal, the ring dial, and Gunters-line, in many necessary and delightful conclusions, fitted to the understanding of the meanest capacity : collected and digested into this portable volumn, for the use of young practitioners / by a true lover of the mathematicks.
Gunter, Edmund, 1581-1626Date: 1685- Books
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The description, use, and excellency of a new instrument, or sea quadrant, invented by Caleb Smith, for taking altitudes of the sun, moon, and stars, from the visible horizon (as well as any other Angular Distances at Land or Sea) without impediment or Interruption from the ship's motion; whereby the Latitude at Sea May be obtained with greater Certainty, and more frequently, than by Davis's or any other of the Common Instruments. Tried, approved, and recommended by Capt. Christopher Middleton, Capt. George Spurrel, Capt. Joseph Harrison, and several other able and experienced Navigators. To which is added, An Essay to make this Quadrant serviceable at Sea, as well as at Land, when there is no Horizon to be seen. As also The Usefulness of its Application to an Aximuth Compass of a New Contrivance for discovering the Variation of the Magnetic Needle, at Sea, without any Astronomical Calculation.
Smith, Caleb, active 1740.Date: [1740?]- Books
The description and use of the trianguler-quadrant : being a particular and general instrument, useful at land or sea; both for observation and operation. More universally useful, portable and convenient, than any other yet discovered. With its uses in arithmetick. Geometry, superficial and solid. Astronomy. Dyalling, three wayes. Gaging. Navigation. In a method not before used. By John Brown, philomath.
Brown, John (Philomath)Date: 1671
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MS Arabic 869
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Instructions at large, for the use of Hadley's quadrant: wherein are contained the principles on which that most ingeniously contrived, and useful instrument is constructed; together with a description and use of Vermier's, enormously called Nonius's divisions.
Date: 1766- Books
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The theory of Hadley's quadrant demonstrated; and from thence its nature, construction, and uses, are fully shewn. With a new table of the sun's declination for finding the latitude of the place. To which is added, a new construction of the quadrant, which, by Means of an artificial horizon, renders it of universal Use by Sea and Land. By Benj. Martin.
Martin, Benjamin, 1705-1782.Date: 1768
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MS Arabic 377
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Tables of difference of latitude and departure: constructed to every quarter of a degree of the quadrant, and continued from one, to the distance of one hundred miles or chains.
Robertson, J. (John), 1712-1776.Date: M,DCC,XCIX. [1799]- Books
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Description, use, and method of adjusting Hadley's quadrant and sextant. By George Adams, Mathematical instrument maker to His Majesty, and optician to His Royal Highness the Prince of Wales.
Adams, George, 1750-1795.Date: M.DCC.LXXXIX. [1789]
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John Bird. Mezzotint by V. Green, 1776, after J. Lewis.
Lewis, John, approximately 1740-Date: Decr. 2. 1776Reference: 1120i- Books
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The theory of Hadley's quadrant demonstrated; and from thence its nature, construction, and uses are fully shewn. With a table of the sun's declination for finding the latitude of the place. To which is added, a new construction of the quadrant, which, by Means of an artificial Horizon, renders it of universal Use by Sea and Land. By Benj. Martin.
Martin, Benjamin, 1705-1782.Date: [1760?]
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Two types of quadrant and a branch of common oak (Quercus robur) with galls. Coloured engraving by J. Pass, c. 1826.
Date: [1827]Reference: 25508i
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MS Arabic 375
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The description and uses of the celestial and terrestrial globes, and of Collins's pocket-quadrant / By John Harris.
Harris, John, 1667?-1719.Date: 1710- Books
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A treatise containing the description and use of a new and curious quadrant, made and finished by the Masterly Hand of that Excellent Mechanic, John Rowley; For Taking of Altitudes, And for Solving various Mathematical Problems in Geometry, Navigation, Astronomy, &c. Some of them by a bare Inspection of the Instrument, and others by easy Operations on it. Studiously adapted to the meanest Capacities. To which are prefixed, an alphabetical exposition of the necessary terms of art, and a plate of the instrument. By T. W. F.R.S.
Woodford, Thomas, -1759.Date: MDCCLVI. [1756]- Books
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The description and use of a new quadrant, for finding the latitude at sea : invented and made, by Benjamin Cole, Mathematical and Optical Instrument-Maker, At the Orrery in Fleet-Street, London; Late the Shop of Mr. Thomas Wright, Instrument-Maker to his Majesty. The second edition. With an appendix, shewing some useful improvements on Cole's quadrant. Particularly Godfrey's Horizon Vane improv'd. Which furnishes the Mariner with the Means of taking an Observation easily in boisterous Weather. To which are added, Short and Plain Instructions for the Use of that most excellent Instrument, invented by John Hadley, Esq; with the Improvement of an Artificial Horizon.
Cole, Benjamin, 1695-1766.Date: MDCCXLIX. [1749]
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MS Arabic 383
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The description and use of a new sea quadrant, for Taking the Altitude of the Sun from the visible Horizon; Which is so contrived, That the Observer will be liable to no Interruption, or Inaccuracy from the Ship's Motion. And The Latitude at Sea, May be obtained with greater Certainty, and more frequently than by any Instrument of the like Kind hitherto made publick. Invented, Made, and Sold by George Adams, Mathematical Instrument Maker to His Majesty's Office of Ordnance, at Tycho Brahe's Head, the Corner of Racquet Court, in Fleetstreet, London. To which is added, The Description and Use of two Curious Methods for procuring an Artificial Horizon at Sea, To be used with Hadley's Quadrant; one by means of a Whirling Speculum; the other by a Floating Mirrour.
Adams, George, 1709-1772.Date: MDCCXLVIII. [1748]- Books
Horologiographia: or, The art of dyalling, : being the second book of the use of the trianguler-quadrant. Shewing the natural, artificial, and instrumental way, of making of sun-dials, on any flat superficies: with plain and easie directions, to discover their nature and affections, by the horizontal projection. With the way of drawing the usual ornaments on any plain: also, a familiar easie way to draw those lines on the ceiling of a room, by the trianguler quadrant. Also, the use of the same instrument in navigation; both for observation, and operation. Performing the use of several sea-instruments still in use. / By John Brown, philomath.
Brown, John (Philomath)Date: 1671- Books
L'uso della squadra mobile. Con la quale per teorica et per pratica si misura geometricamente ogni distanza, altezza e profondità, s'impara à perticare, livellare, et piglare in disegno, le città, paesi et provincie / Da Ottavis Fabri data in luce.
Fabri, Ottavio, active 1598.Date: 1598