1851 Great Exhibition: Official Catalogue: Class VI.: William Crosskill
404. CROSSKILL, WILLIAM, Iron Works, Beverley — Patentee and Manufacturer.
Patent mills for grinding vegetable substances. They consist of mills for steam, of two and four horse power, for grinding broken bones into fine powder, at the rate of about 25 bushels per hour, suited for fine manure; another far grinding malt, also oats, barley-meal, etc.
Fig. 1, shows this machine.
Mills for power or hand use, for grocers, druggists, confectioners, etc.
Patent mills for grinding mineral substances. The particular features in these mills consist in their strength as power-mills; their adaptation, by changing finer or coarser plates, for grinding various mineral substances to fine dust; and, from the position of the two centres, the peculiar eccentric motion is obtained for each of the revolving metal plates. They consist of — mills for steam, of four-horse power, for grinding iron, zinc, copper, and gold ores, plumbago, manganese, etc.; another for grinding raw or calcined flints for pottery purposes, also quartz, etc.; will grind 8 to 10 cwt. of raw flints per hour by the first process, and by the second process reduce 12 to 15 cwt. per hour to the finest powder. Fig. 2 shows this machine
Mill for steam, of two-horse power, for grinding paints or liquid substances.
Mill for hand or power, for grinding paint or liquid substances. With this mill a boy will grind from to 1 cwt. per hour.
Improved portable and fixture steam-engines for manufacturing or agricultural purposes.