. The Saturday evening post. t with ease the rigidtests for vibration-proof strengthand micrometer accuracy. As a rule, Buffalo ForgeCompany officials have writtenThe Ferry Cap and Set Screw-Company, when our productscome up to the expectations ofour customers, we hear nothingfrom them; but, being human, weappreciate words of commenda-tion now and then, and feelingthat you are with us in thisrespect, we take a great deal ofpleasure in advising that we havebeen using your products for thepast twelve years to our entiresatisfaction. This twelve years of entiresatisfaction has been experi-enced b


. The Saturday evening post. t with ease the rigidtests for vibration-proof strengthand micrometer accuracy. As a rule, Buffalo ForgeCompany officials have writtenThe Ferry Cap and Set Screw-Company, when our productscome up to the expectations ofour customers, we hear nothingfrom them; but, being human, weappreciate words of commenda-tion now and then, and feelingthat you are with us in thisrespect, we take a great deal ofpleasure in advising that we havebeen using your products for thepast twelve years to our entiresatisfaction. This twelve years of entiresatisfaction has been experi-enced by the Buffalo ForgeCompany not only with the useof Ferry products in SteelPressure Blowers, but in a largevariety of machines. Since 1907, when ThomasFerry came forth with a whollynew principle in screw-making,Ferry Process Screws have wonan enviable reputation in themanufacturing world. Manyother leading manufacturers be-sides the Buffalo Forge Companyhave put the stamp of theirapproval upon Ferry methodsand Ferry This new principle in screwmaking completely reverses theold method. Instead of taking asteel bar the size of the headand tediously milling it to theright size, the Ferry Processbegins with a bar of steel thesize of the shank,thus avoiding agreat waste of bothtime and raw ma-terial. The matrix-com-pression principle But the real prob-lem was to formthe head. To batter on a shapeless knob, and then cut it to sizeand shape, would disturb themolecular structure of the of this problem cameThomas Ferrys ingenious inven-tion—a matrix, or die, in whichthe head is formed by propercompression.


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