AnotherprocessemployedbyMr。Cortforthepurposeofcleansingtheironandproducingametalofpurergrain，wasthatofworkingthefaggotsbypassingthemthroughrollers。”Bythissimpleprocess，”
saidhe，”alltheearthyparticlesarepressedoutandtheironbecomesatoncefreefromdross，andwhatisusuallycalledcinder，andiscompressedintoafibrousandtoughstate。”Theobjectionhasindeedbeentakentotheprocessofpassingtheironthroughrollers，thatthecinderisnotsoeffectuallygotridofasbypassingitunderatilthammer，andthatmuchofitissqueezedintothebarandremainsthere，interruptingitsfibreandimpairingitsstrength。
ItdoesnotappearthattherewasanynoveltyintheuseofrollersbyCort；forinhisfirstspecificationhespeaksofthemasalreadywellknown。*
[footnote……”Itismaterialtoobserve”，saysMr。Webster，”thatCort，inthisspecification，speaksoftherollers，furnaces，andseparateprocesses，aswellknown。Thereisnoclaimtoanyofthemseparately；theclaimistothereducingofthefaggotsofpiledironintobars，andtheweldingofsuchbarsbyrollersinsteadofbyforge-hammers。”——MemoirofHenryCort，inMechanic’sMagazine，15
July，1859，byThomasWebster，M。A。，F。R。S。