hide Matching Documents

The documents where this entity occurs most often are shown below. Click on a document to open it.

Document Max. Freq Min. Freq
Comte de Paris, History of the Civil War in America. Vol. 1. (ed. Henry Coppee , LL.D.) 2 0 Browse Search
The Daily Dispatch: March 21, 1863., [Electronic resource] 1 1 Browse Search
View all matching documents...

Browsing named entities in Comte de Paris, History of the Civil War in America. Vol. 1. (ed. Henry Coppee , LL.D.). You can also browse the collection for Firth or search for Firth in all documents.

Your search returned 1 result in 1 document section:

Comte de Paris, History of the Civil War in America. Vol. 1. (ed. Henry Coppee , LL.D.), Book III:—the first conflict. (search)
lakeley guns, on the contrary, which had come from England, were not only constructed of superior materials, but with the greatest care, and were held in high repute, even in England, for their excellent qualities. Before landing at Charleston they had passed through many hands. The metal was prepared at Sheffield, where the Swedish iron, after having been melted in the furnace and then run into troughs (creusets), was then cast into rings, which were forged by the immense trip-hammers of Firth. Then taken to London, in the Blakeley shops these rings were put together, carefully fitted, turned, bored, and finally rifled; they thus combined the strength of a homogeneous metal like soft steel with the perfection of construction of cannon composed of several pieces. Those of large calibre were loaded at the muzzle, and their grooves were adapted to various kinds of projectiles. These grooves had only a slight twist and a medium depth; their number, varying according to the calibre,