Annealing Collection

Pen making (engraving)
2792824 Pen making (engraving) by English School, (19th century); Private Collection; (add.info.: Pen making. Illustration for Chatterbox (1893). Digitally cleaned image.); © Look and Learn

Views in the Royal Mint, London (b / w photo)
6013706 Views in the Royal Mint, London (b/w photo) by English Photographer, (20th century); Private Collection; (add.info.: Views in the Royal Mint, London)

Manufacture of Glass (engraving)
6010353 Manufacture of Glass (engraving) by English School, (19th century); Private Collection; (add.info.: Manufacture of Glass)

Annealing furnace at Tower Hill, from The Graphic, 1895 (engraving)
1220249 Annealing furnace at Tower Hill, from The Graphic, 1895 (engraving) by Renouard, Charles Paul (1845-1924) (after); The Royal Mint Museum, Llantrisant, UK; eRoyal Mint Museum; French

The Royal Mint - Annealing Furnaces. Date: circa 1908

Annealing furnaces, the Royal Mint, Tower Hill, London, early 20th century

Views in the Royal Small Arms Factory, Enfield, c1880. The boilerhouse, grindery, annealing furnaces, brasswork, forges. A print from Great Industries of Great Britain, Volume I

Blanching & Drying Coins
The blanching room is where blanks, after annealing, have their surfaces polished. After this the coins are dried in revolving drums

Annealing at Royal Mint
The rotary annealing room, where blanks are softened in the red hot furnaces

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Annealing: A Timeless Process in Metalworking and Manufacturing Annealing, an essential process in metalworking, is seen here in various industries, including pen making, glass manufacturing, and coin production. In this black and white photograph from The Graphic, 1895, we find annealing furnaces at the Royal Mint, Tower Hill, London. The intricate engraving reveals the careful process of heating and cooling metals to improve their malleability and reduce internal stresses. Similarly, in pen manufacturing, annealing is crucial for the engraving process, ensuring the metal components are soft enough to be shaped without cracking. The same principle applies to glass manufacturing, where annealing ovens gently heat and cool the glass to prevent it from shattering during the shaping process. At the Royal Small Arms Factory, Enfield, around 1880, annealing was also a vital step in producing high-quality firearms. The image shows the Blanching & Drying Coins area, where annealing played a crucial role in preparing the metal blanks for striking. The annealing furnace at Tower Hill, Royal Mint, is depicted in this early 20th-century engraving, showcasing the traditional yet sophisticated methods used to transform raw metals into valuable products. Annealing continues to be an essential process in various industries, ensuring the longevity and precision of manufactured goods.