London
Found in 341 Collections and/or Records:
Letter and diagram from S. Price to the Board of Longitude, 1825-08-16
Concerning his proposals on perpetual motion; preceded by a diagram.
Letter and drawing from W. Carr, 1818-02-06
Letter concerning a counteracting spring for winding timekeepers at sea, with an explanatory drawing.
Letter and drawings sent from David Thomas to the Board of Longitude, 1821-04-03
Letter outlining Thomas' method of remedying the effects on pendulums and springs of the different degrees of gravity and different climates. It includes three explanatory drawings.
Letter and fair copy from Francis Stanford, a Franciscan friar, to the Board of Longitude, 1813-05-18
Providing details of his discovery of longitude. The letter is addressed from Castlebar [county Mayo, Ireland]. See also [RGO 14/39: 281-283].
Letter and Latin ode from Bartholomew de Sanctis, 1823-12-20
Letter from de Sanctis to the Board of Longitude outlining his astronomical observations and enclosing a Latin ode. He refers to the Board as 'the Scientific Protectors of the British Navigation, as Castor and Pollux were of the old Ships of Greece and Rome'. Addressed from Crown Tavern, Vinegar Yard, Drury Lane Theatre.
Letter and proposal from [George] Lindesay, 1826-01-11
On a method of finding latitude and longitude at sea in fog by two bearings of the sun, using a fog compass and a chronometer.
Letter and proposal from Henry Croaker on the motion of heavenly bodies, 1819-02-17
Includes drawings of a sun-dial and compass, a diagram on the circular motion of the sun, mathematical calculations and tables of longitude.
Letter and proposal from Robert Miller, 1815-11-16
Concerning his method for finding longitude by using a timekeeper and a three-hour sandglass.
Letter and proposal from William Waldron, 1819-02-10
Concerning his plan to find longitude.
Letter and related note concerning James Hughes, 1813-05-24
Letter and tables from Mr Wellmens, 1827
Letter to the Board of Longitude concerning a clock which 'shews [sic] the difference between true and like time'; with related tables.
Letter and treatise by James Fosbury, 1821-03-23
Letter to Dr Thomas Young enclosing further observations on the sun's movement along its centre meridian.
Letter and two printed papers on finding the longitude by an altitude of the moon, 1826-06-05
Sent from Thomas Hedgcock to the Board of Longitude.
Letter concerning William Lester, 1821-01-30
Letter sent to Thomas Young from Mr Barrow requesting the return of box containing a model of an invention by Lester.
Letter from Abraham C. Hazewinkel to the Board of Longitude, 1828-04-14
Paper and two related letters.
Letter from 'A.E.' to the Board of Longitude, 1791-08
Outlining a method for determining longitude based on tables of the moon's southing.
Letter from Alex Witherspoon to the Board of Longitude, 1813-10-04
Two letters from Witherspoon and three copy replies from Captain Thomas Hurd.
Letter from Alexander Winter to the Board of Longitude, 1825-03
Stating that through 'extraordinary researches' he had found a metaphysically exact solution to the longitude problem.
Letter from Alexander Winter to the Board of Longitude, 1825-07-01
Concerning an infallible, 'metaphysically exact' method of finding longitude and his request for a reward of £2,000,000 which he hoped the nations of the globe would cooperate in paying.
Letter from Antonio Maria Jaci to the Board of Longitude, 1788-02-09
Letters, proposals and a printed paper from Jaci (in Italian); with a related letter from Joseph Banks to Harry Parker. Includes drawings of clepsydra [RGO 14/38: 25-26] and [RGO 14/38: 63-65].
Letter from Antonio Maria Jaci to the Board of Longitude, 1784-08-07
Letters, proposals and a printed paper from Jaci (in Italian); with a related letter from Joseph Banks to Harry Parker. Includes drawings of clepsydra [RGO 14/38: 25-26] and [RGO 14/38: 63-65].
Letter from Antonio Maria Jaci to the Board of Longitude, 1784-07-31
Letters, proposals and a printed paper from Jaci (in Italian); with a related letter from Joseph Banks to Harry Parker. Includes drawings of clepsydra [RGO 14/38: 25-26] and [RGO 14/38: 63-65].
Letter from Antonio Maria Jaci to the Board of Longitude, 1784-11-13
Letters, proposals and a printed paper from Jaci (in Italian); with a related letter from Joseph Banks to Harry Parker. Includes drawings of clepsydra [RGO 14/38: 25-26] and [RGO 14/38: 63-65].
Letter from Antonio Maria Jaci to the Board of Longitude, 1784-11-06
Letters, proposals and a printed paper from Jaci (in Italian); with a related letter from Joseph Banks to Harry Parker. Includes drawings of clepsydra [RGO 14/38: 25-26] and [RGO 14/38: 63-65].
Letter from Antonio Maria Jaci to the Board of Longitude, 1785-02-05
Letters, proposals and a printed paper from Jaci (in Italian); with a related letter from Joseph Banks to Harry Parker. Includes drawings of clepsydra [RGO 14/38: 25-26] and [RGO 14/38: 63-65].