Author: HOWSE, DEREK.
Title: The Tompion Clocks at Greenwhich and the Dead-Beat Escapement.
Description: 4to; pp. 134; profusely illustrated; appendices, index; stiff stapled illustrated wrapper; wrapper flecked, pages browned, a good copy. Ramsgate, Thanet Printing Works, (c1900s).

Keywords: horology clocks clockwork time escapement Tompion