The Century of Inventions of the Marquis of Worcester / from the Original MS., with Historical and Explanatory Notes and a Biographical Memoir

by Marquis of Edward Somerset Worcester

No. LXXXIII.

A rasping-mill for hartshorn, whereby a child may do the work of half-a-dozen men, commonly taken up with that work.

NOTE.

A variety of engines have been invented for this purpose, many of which are capable of effecting the saving of labour described by the Marquis, as at that period (1663) the process was usually effected by rubbing the horn or ivory over a common iron grater.