London
Found in 1559 Collections and/or Records:
Henry Holden on perpetual motion, 1812
'Hodge's Meteorological Journal', 1811
Printed copy of a journal by Arthur Hodge.
Illustrated letter from Dr Patrick Browne to the Board of longitude, 1782-09-04
Concerning 'the longitude discovered on mathematical principals and made clear and safely both by sea and land'. The letter outlines his proposed method of finding longitude and includes drawings. It was marked as undeserving of the Board's attention by Nevil Maskelyne.
Index to several precepts advanced by Edward Hewlings, 1803-03-03
Correspondence regarding various astronomical and nautical tables.
Instrument for taking angles at sea, 1792
'Description of an instrument for taking Angles at Sea', as presented to the Board of Longitude by John Wood, 1 March 1792, including a detailed drawing of the instrument [RGO 4/219: 14].
J. Gresley on a discovery relating to variation and leeway, 1821-08-24
Correspondence regarding the effect of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.
J. Miles on the cause of the variation of the magnetic needle, 1800-04-26
Correspondence regarding the effects of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.
James Andrew's letter accompanying a copy of nautical tables, 1805-10-01
Correspondence regarding various astronomical and nautical tables.
James Bremner on a new theory of magnetism, 1826 - 1828
Correspondence regarding the effect of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.
James Davis on perpetual motion, 1805 - 1807
James Moore on an instrument for showing the variation of the compass and latitude and longitude, 1790-07-04
Correspondence regarding the effects of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.
James Tait on a method of correcting the variation of the compass by means of Mica, 1820-04-04
Correspondence regarding the effect of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.
John Alderson on perpetual motion, 1823-04-08
John Ashfold on perpetual motion, 1787-04-08
John Bell on perpetual motion discovered by Philip Thompson Rutherford, 1817-07-02
John Bourne on the sun as the centre of magnetic attraction, 1820 - 1828
Correspondence regarding the effect of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.
John Bywater on a new Variation Table, 1812
Correspondence regarding the effects of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.
John Cardwell on perpetual motion, 1819-07-29
John Carey on the variation compass, 1825-05-28
Correspondence regarding the effect of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.
John Carr about increasing the field of view of telescopes, 1823-08-25
John Churchman on magnetic variation and finding the longitude, 1787 - 1804
Correspondence regarding the effects of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.
John Dalling on perpetual motion, 1813
John Horner's 'most divine Gospel System' of finding longitude, 1828
Proposal outlining Horner's 'most divine Gospel System' on natural bodies proving perpetual motion and longitude. Includes mathematical diagrams. Preceded by a letter to the Board of Longitude.
John Howe on perpetual motion, 1817 - 1818
John Macdonald on the position of the magnetic pole and finding longitude by magnetic variation, 1830-04-04
Correspondence regarding the effect of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.