A three-page encyclopedia article on late-19th-century hat-making machinery, drawn from Appletons' Cyclopaedia of Applied Mechanics. It describes automatic tip- and brim-stretching machines, a blocking machine, pouncing machines for wool and fur hats, a curling machine and an edging machine for hat brims, and the Blanchard lathe adapted to turn hat blocks and flanges. Four engraved figures show the machines, all designed and patented by Rudolph Eickemeyer of Yonkers, N.Y.