Publisher's Synopsis
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1859 edition. Excerpt: ... A.D. 1855, October 2.--N 2.'01. BOUSFIELD, George Tomlinson.--" Improvements in locks "for fire-arms." Coiled mainspring. A communication. A coiled spring is used for throwing the hammer; one end of it is attached to the tumbler, the other to the lock-frame. Printed, 5J. A.D. 1855, October 3.--N 2204. RAMSCAR, William.--" Improvements in fire-arms; which "improvements are also applicable to cannons, and all kinds of "field pieces." Cartridge, with percussion tube. Breech-loader. The Specification and drawings describe a fire-arm with a moveable breech worked by a lever. Cartridges are made up with a projecting tube, containing fulminating mixture, which is intended to be struck by a hammer, and so ignite the charge. Printed, Is. id. A.D. 1855, October 5.--N 2229. HOWELL, Joseph Bennett.--" Improvements in the manu"facture of steel castings for ordnance, and other purposes."--(Provisional Protection only.) A bar of hot iron is to be covered with a suitable deoxydising agent, and is placed in the centre of a mould. Molten cast steel is poured round and adheres to the bar, which is afterwards bored out. Printed, 3d. A.D. 1855, October 6.--N 2239. ROGERS, William.--" Improvements in fire-arms." Several charges may be fired from the same barrel by employing as many locks and nipples as there are charges. Thick uninflammable wads are interposed between the charges. The barrel is case-hardened for several inches from the breech end. Printed, 9dJ A.D. 1855, October 6.-N 2240.J HART, Herbert William.--" An improved cannon for gun "boats."--(Provisional Protection only.) The Provisional Specification, with drawings, describes a large cannon, consisting of two parts, so that the barrel may be separated from the breech. Apparatus, worked by steam...