This section is from the book "The Engineer's And Mechanic's Encyclopaedia", by Luke Hebert. Also available from Amazon: Engineer's And Mechanic's Encyclopaedia.
A term applied to a peculiar process of uniting pieces of iron together by heat and pressure. There are only two metals susceptible of this process, iron and platina. They are brought to a white heat in a furnace, and joined by quick and forcible hammering, by which they unite as one piece, when executed by skilful workmen.
 
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