. Pattern-making machinery manufactured by Richards, London & Kelley, Atlantic works, Philadelphia . es. The top work,including adjustable shoes for diagonal braces is sent out ready for erecting. The tension springs shown in the engraving do not correspond to tlie manner inwhich they are now made, this part of the machines being in most cases modifiedto suit the speed of the machines or the nature of the work to be performed. In erecting Jig sawing machines, there should be as much solidity as possiblesecured in the foundation, and for pattern-making there is no object in drivingthem at the h
. Pattern-making machinery manufactured by Richards, London & Kelley, Atlantic works, Philadelphia . es. The top work,including adjustable shoes for diagonal braces is sent out ready for erecting. The tension springs shown in the engraving do not correspond to tlie manner inwhich they are now made, this part of the machines being in most cases modifiedto suit the speed of the machines or the nature of the work to be performed. In erecting Jig sawing machines, there should be as much solidity as possiblesecured in the foundation, and for pattern-making there is no object in drivingthem at the high rate of speed that is attempted in joiner and cabinet shops,where the amount of sawing that can be done is the first object considered. In patternshops, adjustability, steadiness and true cutting, are more important than speed,and durability and strength to withstand irregular and general use by differentmen, is first to be considered. The specifications on the opposite page will explain the general constructionof the machines manufactured by the advertisers. ATLANTIC WORKS, PHILADELPHIA. 13.
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Keywords: ., bo, bookcentury1800, bookdecade1870, bookidpatternmakingmac00rich
