American School of Correspondence, Nelson, Hector William, 1869- [from old catalog] · Chicago, American school of correspondence at Armour institute of technology · leaf 8
rk fixed m its correct position, swing forward the lay, and as it is just leaving the front center set the cam to move the elbow lever with the catch of the lever just passing the fork. If at this time the hook of the fork barely clears the hammer, the timmg will almost invariably be correct when… … THE PROTECTION DEVICE. The protection device is to protect the warp from being broken out should the loom stop or bang off with the shuttle in the shed. There are two distinct forms of protection devices ; first the frog motion, which is almost invariably used in connection with a back binder ;…
Weaving
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