13 results filtered with: Chronometers - Early works to 1800
- Books
- Online
Remarks on a pamphlet lately published by the Rev. Mr. Maskelyne, under the authority of the Board of Longitude. By John Harrison.
Harrison, John, 1693-1776.Date: MDCCLXVII. [1767]- Books
- Online
A narrative of the proceedings relative to the discovery of the longitude at sea; by Mr. John Harrison's time-keeper; subsequent to those published in the year 1763.
Harrison, John, 1693-1776.Date: MDCCLXV. [1765]- Books
- Online
Remarks on a passage from Po. Wawoor, to the Strait of Sunda, by the Macklesfield-Strait on the East of Banka, with the journal of the Carnatic, Capt. Lestock Wilson. Published at the charge of the East India Company, from the original MS. by A Dalrymple.
Wilson, Lestock.Date: 1789- Books
- Online
An account kept during thirteen months in the Royal Observatory at Greenwich, of The Going of a Pocket Chronometer, made on a new construction, by John Arnold, Having his new-invented Ballance Spring, and A Compensation for the Effects of Heat and Cold In the Ballance. Published by Permission of the Board of Longitude.
Arnold, John, chronometer maker.Date: 1780- Books
- Online
A reply to the Answer of the Rev. Dr. Maskelyne, Astronomer Royal, to A narrative of facts, relating to some time-keepers, constructed by Mr. Thomas Mudge, for the discovery of the longitude at sea, &c. By Thomas Mudge, jun. Of Lincoln's Inn. To which is Added, A Short Explanation of the most Proper Methods of Calculating a Mean Daily Rate, With Remarks on some Passages in Dr. Maskelyne's Answer. By his Excellent The Count De Bruhl.
Mudge, Thomas, 1760-1843.Date: MDCCXCII. [1792]- Books
- Online
A letter from M. Christian Mayer, Astronomer to the Elector Palatine, To Mr. N. N. On the Going of a New Pendulum Clock, made by Mr. John Arnold, and Set up in the Elector's Observatory at Manheim. (translated from the German.)
Mayer, Christian, 1719-1783.Date: MDCCLXXXI. [1781]- Books
- Online
An account of the going, during Thirteen Months. At the Royal Observatory at Greenwich, of a pocket Chronometer, Invented and Made by John Arnold, Published with Permission of the Board of Longitude.
Arnold, John, chronometer maker.Date: 1780- Books
- Online
The mercurial chronometer improv'd: or, a supplement to a book entituled, An essay, wherein a method is humbly propos'd for measuring equal time with the utmost exactness; without the Necessity of being confin'd to Clocks, Watches, or any other Horological Movements; in order to discover the Longitude at Sea. In which all Objections that are in the least rational are remov'd, and the Method confirm'd. By the author of that essay.
Clarke, James, of Calne, Wilts.Date: MDCCXV. [1715]- Books
- Online
Remarks on a pamphlet lately published by the Rev. Mr. Maskelyne, under the authority of the Board of Longitude. By John Harrison.
Harrison, John, 1693-1776.Date: MDCCLXVII. [1767]- Books
- Online
Memoir of a chart from the Strait of Allass to the island Bouro, and description of Carimata, Manevasa, Maragolong Islands, and Sciao, by Capt. George Palmer. Published at the charge of the East India Company, by A Dalrymple.
Palmer, George, 1772-1853.Date: [1799]- Books
- Online
Certificates and circumstances relative to the going of Mr. Arnold's chronometers.
Date: 1791- Books
- Online
An extract from a letter of the Rev. Mr. John Hellins, formerly assistant to Mr. (now Dr.) Maskelyne, the Astronomer-Royal at Greenwich Observatory, to Francis Maseres, Esq. Dated Potter's Pury, near Stoney Stratford, in Buckinghamshire, Sept. 25, 1792.
Hellins, John, -1827.Date: 1792]- Books
- Online
An account of the going of Mr. John Harrison's watch, at the Royal Observatory, from May 6th, 1766, to March 4th, 1767. Together with the original observation and calcultions of the same. By the Revd. Nevil Maskelyne, astronomer royal. Published by order of the commissioners of longitude.
Maskelyne, Nevil, 1732-1811.Date: MDCCLXVII. [1767]