Posselt, E. A. (Emanuel Anthony), 1858-1921 · Philadelphia : E.A. Posselt ; London : Sampson Low, Marston and Co. · leaf 156
prings O and O' (shown in section in Fig. s), a punch-bed d, and that the punches are forced one of them being shown in edge elevation in Fig. 3. through them by means of connecting-rods d't con- In operation as the card to be punched is fed be- nected with the punch-carrying head d2 and actuated… … comes objectionable when the cards are employed for in operative adjustment by the depression of the determining the pattern. For purposes of lifting the supply-stack of cards, proper keys F, F', and the head C, with the punches locked, is then depressed, forcing the punches through whenever from…
Textile machinery · Weaving
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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