Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 141
. Fig. 2427 is a fragment of tb?endless chain, formed with perforated cards, which are made to circulate or travel by the rotation of theshaft D. In this movement, each of the perforated cards, whose position, form and number, are deter-mined by the operation of tying-up of the warp, comes to be… … Now let us suppose that the press B is let down into the vertical position shown in fig. 2422 ; then the;ard applied against the left face of the axis, leaves at rest or untouched the whole of the horizontalspindles (skewers), whose ends correspond to these holes, but pushes back those which are…
Mechanical engineering
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