Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 113
State- patentwas granted to Mr. D. Beard of Guilford, N. C, in 1816, for a machine for stretching hat-crowns.Other devices have subsequently been invented and come into limited use; but it appears that thepractical difficulties were not successfully overcome until the invention in 1865 of the… … HAT-MAKING MACHINERY. 103 and is thus drawn out radially, thecentre being widened at those partswhich form the crown and brim ofthe hat. The former is securedto a sliding spindle, which is actu-ated by a treadle and link. Directlyover and in line with the spindle aresuspended adjustable…
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