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Tintype portrait in a paper mat, taken at Pease's Nantasket Tintype Gallery, circa 1900. There are two historic tintype processes: wet and dry. In the wet process, a collodion emulsion containing suspended silver halide crystals had to be formed on the plate just before it was exposed in the camera while still wet.
The history of branding is very much tied to the history of using animals as a commodity. The act of marking livestock with fire-heated marks to identify ownership begins in ancient times with the ancient Egyptians. [1] The process continued throughout the ages, with both Romans and American colonists using the process to brand slaves as well. [2]
Cast iron development lagged in Europe because wrought iron was the desired product and the intermediate step of producing cast iron involved an expensive blast furnace and further refining of pig iron to cast iron, which then required a labor and capital intensive conversion to wrought iron.
In the American West, a "branding iron" consisted of an iron rod with a simple symbol or mark, which cowboys heated in a fire. After the branding iron turned red hot, the cowboy pressed the branding iron against the hide of the cow. The unique brand meant that cattle owned by multiple ranches could then graze freely together on the open range.
Griswold "slant logo" cast-iron skillet, manufactured approximately 1915 Griswold "small logo" cast-iron skillet, manufactured between 1940 and 1957. Griswold cast-iron pots and pans, skillets, dutch ovens, and other kitchen items had a reputation for high quality, and they are well known to antique collectors and sellers. The easily recognized ...
Ironwork is any weapon, artwork, utensil, or architectural feature made of iron, especially one used for decoration. There are two main types of ironwork: wrought iron and cast iron. While the use of iron dates as far back as 4000 BC, it was the Hittites who first knew how to extract it (see iron ore) and develop weapons.
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Steel is an alloy composed of between 0.2 and 2.0 percent carbon, with the balance being iron. From prehistory through the creation of the blast furnace, iron was produced from iron ore as wrought iron, 99.82–100 percent Fe, and the process of making steel involved adding carbon to iron, usually in a serendipitous manner, in the forge, or via the cementation process.