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[4] [5] It was cast by the Low Moor Iron Works in Bradford in 1847 and entered service soon after. [4] Like numerous cannon before it, it was a cast iron smoothbore loaded from the muzzle. [6] The cannon was relatively cheap to produce – the Royal Commission on the Defence of the United Kingdom estimated that each cannon cost approximately £167.
Three are known to have survived. One surviving 3-inch wrought iron Wiard rifle exists, but it has an unusual band across the trunnions. [8] The Confederate States manufactured an estimated 84 cast iron 3-inch rifles, at least 61 of them at the Tredegar Iron Works; [9] several appear to be imitations of the U.S. Ordnance Department design. [10]
Compared to this, the bronze 12-pounder Napoleon cost $550 and the 3-inch Ordnance rifle cost $350 per gun. [7] On 23 May 1861, the US government accepted the first ten 10-pounder Parrott rifles. The West Point Foundry helped the Federal war effort to such a degree that a joke made the rounds that the U.S. national emblem should be changed from ...
A Step-By-Step Guide to Seasoning Cast Iron. Whether you need to season a new pan or re-season an existing one, you can complete it in these six easy steps:
In the modern world, iron alloys, such as steel, stainless steel, cast iron and special steels, are by far the most common industrial metals, due to their mechanical properties and low cost. The iron and steel industry is thus very important economically, and iron is the cheapest metal, with a price of a few dollars per kilogram or pound.
Cast iron is made from pig iron, which is the product of melting iron ore in a blast furnace. Cast iron can be made directly from the molten pig iron or by re-melting pig iron, [4] often along with substantial quantities of iron, steel, limestone, carbon (coke) and taking various steps to remove undesirable contaminants.