Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 220
VAN NOSTRiND'S ENGINEERING MAGAZINE. 2U very quickly removed from either die by put into a split chuck, and carefully means of these rings. Should the leather, trimmed. The leather should finally be as is usually the case, be upon the die treated with tallow and anti-attrition pow- A, this die is… … shoidd be forced from the centre as before, or by a pressure applied true with the top. The centre piece A is requisite for facili- tating the removal of the leather from the carry the leather, it is forced over the die B. It is necessary to make the die C proper ring. If these rings are not pro-…
Engineering
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