s are connected stop blocks, the bolts shaft in one direction or quickly reverse it to the other. by which the blocks are secured to the rails being so ' Asectional view showing the arrangement of the pawls placed as to allow the throw of the connecting links and pawl trippers is given in Figs. 2… … ANDREWS MECHANICAL MOVEMENT stance that finds its way into the flour destroys some- them, and connected at their tops by a head piece. thing of its desirableness, weakening it, discoloring it, The end uprights of the gate, one of which is higher the range of motion being partially checked by the…
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