Copy of a Congreve rolling ball clock, by Thwaites and Reed Ltd (?) and the Master Clock Makers Co., United Kingdom, 1970-1976. The rolling ball clock required less energy to maintain the motion and was less subject to wear. It was originally designed in 1798-1802 and patented by Sir William Congreve in 1808. A Copy of a Rolling Ball Clock, 1970-1976
Documents relating to the design of William Congreve's hydro-pneumatic locks on the Regents Canal, 1812-1814. [17 items. Relating to the unsuccessful design of a canal lift by William Congreve and including a letter from Congreve to Henry Maudslay, descriptions by Congreve of the working of the lock, draft letters from Maudslay & Co. to the Canal company, estimates etc.] Documents relating to the design of William Congreve's hydro-pneumatic locks on the Regents Canal
Sectioned, 12 pounder Congreve explosive rocket , one of four British war rockets, c.1865 Congreve explosive rocket
Four 19th century British war rockets: Two Congreve (sectioned); One Boxer; One Hale. (see stroke records) Four 19th century British war rockets: Two Congreve (sectioned)
