Bedini, Silvio (1970–1980). “Bird, John”. Dictionary of Scientific Biography. 2. New York: Charles Scribner’s Sons. pp. 140–141. ISBN 978-0-684-10114-9.
Bird, along with his fellow County Durham savant William Emerson, makes an look in Mason & Dixon, the acclaimed novel by Thomas Pynchon.
Bird equipped the astronomer James Bradley with additional devices of such high quality that the commissioners of longitude paid him £500 (an enormous sum) given that he tackle an apprentice for 7 years and produce in writing upon oath, a full account of his working strategies. This was the origin of Bird’s two treatises The Method of Dividing Mathematical Instruments (1767) and The Method of Constructing Mural Quadrants (1768). Both had a foreword from the astronomer-royal Nevil Maskelyne. When the Houses of Parliament burned down in 1834, the usual yards of 1758 and 1760, each constructed by Bird, had been destroyed.
John Bird (1709–1776) was a British mathematical instrument maker. He was born at Bishop Auckland. He got here to London in 1740 the place he labored for Jonathan Sisson and George Graham. By 1745 he had his personal enterprise within the Strand. Bird was commissioned to make a brass quadrant 8 ft throughout for the Royal Observatory at Greenwich, the place it was mounted on 16 February 1750, and the place it’s nonetheless preserved. Soon after, duplicates had been ordered for France, Spain and Russia.
#John #Bird #astronomer