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Charles Junge
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10,482. Jungre, C., [Hirsch, 0.]. June 8. Blowing; moulding. - Moulds for glass are formed of pulverized charcoal mixed with a binding-material such as tar, molasses, &c. The plastic mixture is pressed into moulds to form blocks, which may be heated in a muffle furnace. The completed moulds are held together by an iron basket.
GB190010482D1900-06-081900-06-08Improvements relating to the Manufacture of Moulds for Glass
ExpiredGB190010482A
(en)