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The Practical Metal-worker's Assistant: Comprising Metallurgic Chemistry ...
Visualizzazione completa - 1878
The Practical Metal-workers' Assistant: ...: With the Application of the Art ...
Visualizzazione completa - 1874
The Practical Metal-worker's Assistant...: With the Application of the Art ...
Visualizzazione completa - 1887
acid action added allowed alloy angle appears applied battery becomes Bismuth blows bottom brass called cast cause close coating combined common containing cooling copper core covered cylinder deposit diameter edge effect employed entirely equal face figure fire fixed flask force forging four furnace give given gold half hammer hand hard hardened heat holes inch iron joint kind latter lead length less manner material means melted metal method mode mould nearly object operation ordinary oxide patterns piece placed plate portion position poured practice prevent produced proportion punch quantity removed represented respective round sand screw serve shears sheet side silver similar soft solder solid solution sometimes square steel strength sufficient surface thick thin thread tion tool turned usual various vessel weight wheels whole wire zinc
Pagina 3 - Metals and Alloys ; Forging of Iron and Steel ; Hardening and Tempering ; Melting and Mixing; Casting and Founding ; Works in Sheet Metal; the Processes Dependent on the Ductility of the Metals; Soldering; and the most Improved Processes and Tools employed by Metalworkers. With the Application of the Art of Electro-Metallurgy to Manufacturing Processes ; collected from Original Sources, and from the works of Holtzapffel, Bergeron, Leupold, Plumier, Napier, Scoffern, Clay, Fairbairn and others.
Pagina 72 - ... times its original length. One of the most important facts connected with the new system of manufacturing malleable iron is that all the iron so produced will be of that quality known as charcoal iron; not that any charcoal is used in its manufacture, but because the whole of the processes following the smelting of it are conducted entirely without contact with, or the use of, any mineral fuel; the iron resulting therefrom will in consequence be perfectly...
Pagina 491 - Jacobi, at St. Petersburg)!, has also made a discovery which promises to be of little less importance to the arts. He has found a method — if we understand our informant rightly — of converting any line, however fine, engraved on copper, into a relief, by galvanic process.