The Royal Society's Spring lectures include one on Jesse Ramsden, who
supplied the theodolites for the Trigonometric survey of Britain
(doesn't the purchase of the second one mark the birth of the OS?).
Anyway, one doesn't have to be a FRS* to attend the talk.
Friday 13 April, 1.00pm
Rescuing Ramsden from the archives
There has never been a full biography of Jesse Ramsden, arguably
London's finest 18th century scientific instrument maker. Now, drawing
on archives in UK and Europe, including those of the Royal Society,
Ramsden's life at his great Piccadilly workshop is brought to light in a
forthcoming book.
Dr Anita McConnell, University of Cambridge
For more info see the Royal Society Spring Progamme page
http://www.royalsoc.ac.uk/page.asp?tip=1&id=5972
Best wishes
Tinho
*FRS = Friends of the Right Sort
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