Burton on Trent
Found in 13 Collections and/or Records:
The letters concern his claims for the full reward offered for the discovery of an accurate method of finding longitude at sea.
Sent by Lester to the Board of Longitude, providing details on the technical construction of his invention, the Solometer.
Outlining his planned solar experiments for finding longitude. As his experiments involved 'igniting' points on a globe of the earth using a lens, the letter has been marked 'burning a globe' by the Board.
Originally enclosing further information on his proposals for finding longitude.
In which Lester provides further information on his proposal to find longitude by means of the solar rays.
Suggesting that his Solometer could be used in conjunction with a pyrometer to ascertain longitude.
Enclosing an explanation and drawings of his Solometer; see [RGO 14/40: 356-357].
Enclosing the letter now at [RGO 14/40: 359] for consideration by the Board of Longitude.
In which Lester states that he had heard that the reward for finding longitude was twenty thousand pounds and asks to submit his solution before the Board.
Outlining his planned solar experiments for finding longitude, which involved igniting points on a globe of the earth with a lens. The Board have underlined his statement that if the Globe is correct and properly adjusted 'you will set fire to London'.
Stating that he had a forwarded a box containing proper instructions for the use of his Solometer.
Miscellaneous letters from George Sinclair, Alex Witherspoon, Dr Shermann and Thomas Allen, 1787 - 1824
Miscellaneous petitions and memorials making requests of the Board of Longitude.