efore the spec-tators in 15 or 30 minutes b f ter the commencn-ment of the operation.Good practice, however,requiies much moretime, as ihe dyeing andsubsquent drying areslow piocesses; and ifthe felt be hurriedlymade, it will not possessmuch durability. If anyof our hat manufacturers have… … Fig- 3-H&T^M0LDlNO AND SHAPING MACHINEBT safely be lifted away from the molds. But the felt requires tobe made still more dense, which is done by a mechanical pro-cess, a kind of kneading being performed upon it by woodenblocks in a machine. This not only condenses the fibers,but causes the…
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