Large Mortar, cast at the Vauxhall Foundry, Liverpool, 1856. 'This immense mortar was cast at the works of Messrs. George Forrester and Co...The rough casting weighed about thirty tons; having had a head cast on it the same length as the finished mortar. The metal is entirely of charcoal iron, from the Acadian Company's mines, near Nova Scotia. It is a very pure and strong metal, showing in analysis very little, if any, sulphur...The shells...weigh, uncharged, rather more than 5 cwt. each; and it is expected that with a full charge, or about 40 lb. weight of powder, the range will exceed 7000
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2475 x 1908 px | 41.9 x 32.3 cm | 16.5 x 12.7 inches | 150dpiPhotographer:
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Large Mortar, cast at the Vauxhall Foundry, Liverpool, 1856. 'This immense mortar was cast at the works of Messrs. George Forrester and Co...The rough casting weighed about thirty tons; having had a head cast on it the same length as the finished mortar. The metal is entirely of charcoal iron, from the Acadian Company's mines, near Nova Scotia. It is a very pure and strong metal, showing in analysis very little, if any, sulphur...The shells...weigh, uncharged, rather more than 5 cwt. each; and it is expected that with a full charge, or about 40 lb. weight of powder, the range will exceed 7000 yards...The diameter of this monster mortar is 18 inches in the bore, by 5 ft. 8 in. length of chamber, its outside dimensions being 3 ft. 9 in. diameter by 7 ft 6 in. long. The finished weight is 14½ tons'. From "Illustrated London News", 1856.