London
Found in 303 Collections and/or Records:
Letter from John Barrow to Dr Thomas Young, 1820-05-06
Enclosing a copy of a paper submitted by George Fisher; for the paper, see [RGO 14/24: 335-346].
Letter from John Barrow to Dr Thomas Young, 1821-11-13
Enclosing three papers by Peter Lecount.
Letter from John Barrow to Dr Thomas Young, 1823-11-24
Includes accounts of the rates of chronometers, reports on chronometer trials, and eleven related letters.
Letter from John Barrow to Dr Thomas Young concerning Massey's chronometer, 1818-11-22 - 1818-11-27
Twelve reports and two letters.
Letter from John Battle on a perpetual lunar dial, 1826-12-13
Sent to Dr Thomas Young.
Letter from John Carey to Dr Thomas Young, 1825-05-28
Originally enclosing a paper on timekeepers.
Letter from John Carr to Dr Thomas Young, 1826-01-10
Correspondence regarding methods for establishing latitude.
Letter from John Cole to Dr Thomas Young, 1822-03-02
Paper and two letters.
Letter from John Couch to Dr Thomas Young, 1819-01-19
Concerning a number of planned improvements to navigation including: a kite for communicating with ships in distress; a proposal to replace hay for cattle on board ships with dried parsnips and carrots to avoid fires and sodden hay; and a new copper limber-chain and tar-lamp.
Letter from John Couch to Dr Thomas Young, 1823-04-25
Requesting a reward for various nautical improvements including: an apparatus for landing or making a descent in a gale; a direction bearer; a main topsail storm staysail for preventing a line of battleships from broaching-to in gales; swivel frame-blocks for better working the mizzen topsail; a storm-stay trysail; and a theodolite with a reading mirror.
Letter from John Croker to Dr Thomas Young, 1823-04-19
Originally enclosing the letter from John George Hartley at [RGO 14/38: 418-419].
Letter from John Croker to Dr Thomas Young, 1819-06-20
Concerning the superintendence of chronometers given to the Hydrographer.
Letter from John Croker to Dr Thomas Young, 1823-02-25
Includes accounts of the rates of chronometers, reports on chronometer trials, and eleven related letters.
Letter from John Croker to [Dr Thomas Young?], 1823-04-25
Includes accounts of the rates of chronometers, reports on chronometer trials, and eleven related letters.
Letter from John Croker to [Dr Thomas Young?], 1823-04-26
Includes accounts of the rates of chronometers, reports on chronometer trials, and eleven related letters.
Letter from John Croker to Dr Young, 1822-10-14
Concerning a letter from Fearon Fallows at the Cape Observatory.
Letter from John Davies to Dr Thomas Young, 1825-12-12
Providing a description of his instrument.
Letter from John Davies to Dr Thomas Young, 1825-12 - 1826-03
Concerning a letter and description of his instrument which he had previously sent but which had not reached its destination.
Letter from John Davies to Dr Thomas Young, 1826-03-06
Providing a description of his instrument.
Letter from John George Hartley to Dr Thomas Young, 1821-09-30
Three letters from Hartley, with two related letters from John Barrow and [Henry Kater].
Letter from John Knowles to Dr Thomas Young, 1824-12-17
Concerning the plans for the Cape Observatory and the appointment of an architect.
Letter from John Merricks concerning his 'marine or floating sun dial', 1825-01-25
The letter includes a sketch of the instrument.
Letter from John Shaw to Dr Thomas Young, 1827-08-27
Two letters.
Letter from John Tyrell Baylee to Dr Thomas Young, 1822-10-07
Six letters and a proposal.
Letter from John Tyrell Baylee to Dr Thomas Young, 1823-07-31
Six letters and a proposal.