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Louis Rousseau
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7451. Rousseau, L. March 27. Crucibles.-A crucible is formed from a number of rings a and a base c of stronglycompressed refractory material connected together by tongue-andgroove j oints c cemented with a mixture of fireclay and liquid potassium silicate, to form a tight joint. The base is provided with a foot g with a dovetailed end fitting into the base and secured by a ring of cement.
GB190207451D1902-03-271902-03-27Improvements in or relating to Crucibles
ExpiredGB190207451A
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