- Michael Sayer
(bcl769; d 1832). English organ builder. He settled in Wakefield in 1824. He invented the first known pneumatic action, first used in 1827 in the organ of Attercliffe Church, Sheffield. Booth’s pneumatic (‘puff’) system alleviated problems encountered with conveying tracker action and wind over long distances; in Atterfield, for example, the lowest pipes of the Great Open Diapason occupied a separate windchest. Booth also built the large organ in Brunswick Methodist chapel, Leeds, in ...