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Pewter (/ ˈ p juː t ər /) is a malleable metal alloy consisting of tin (85–99%), antimony (approximately 5–10%), copper (2%), bismuth, and sometimes silver. [1] In the past, it was an alloy of tin and lead , but most modern pewter, in order to prevent lead poisoning , is not made with lead.
Britannia metal (also called britannium, Britannia ware, [1] or Vickers White Metal [2]) is a specific type of pewter alloy, favoured for its silvery appearance and smooth surface. The composition by weight is typically about 92–93% tin , 5–6% antimony , and 2% copper .
Roswell Gleason (April 6, 1799 – January 27, 1887) was an American manufacturer and entrepreneur who rose from apprentice tinsmith to owner of a large manufacturing concern that initially produced pewter objects for domestic and religious use, and later added Britannia ware and silver-plated goods to its catalog.
The term is also used in the antiques trade for an item suspected of being silver, but not hallmarked. A white metal alloy may include antimony, tin, lead, cadmium, bismuth, and zinc (some of which are quite toxic). Not all of these metals are found in all white metal alloys. Metals are mixed to achieve a desired goal or need.
The factory was again expanded; doubled in size in 1971 to allow for the booming pewter manufacturing business. Pewter became the major business of Stieff as sales of sterling silver waned since the 1960s. Sterling Silver holloware was made at Stieff until 1999, but pewter became the star of the company in the 1970s and 1980s.
View history; Tools. Tools. ... 16 of the 24 Silver Swirls colors. In 1990, Crayola released Silver Swirls, ... Pewter Blue #8BA8B7 139 168 183
The metal to color should be completely free from oxide and grease. Protective clothing, gloves and goggles should be used in a well-ventilated area or outdoors. Black for silver . Items are immersed in a 2.5% solution of potassium or sodium sulfide, after the appearance of the color wash objects well and wax or varnish it. [26]
The Renaissance of an Ancient Art, L. Stanley Grohs, A sale catalog of hand-wrought silver and pewter crafted by Porter Blanchard which were offered for sale in 1930 by S. G. Gump and Company of San Francisco, limited edition, 21 pages.