1851 Great Exhibition: Official Catalogue: Class VI.: W. Crichton and Co
36. CRIGHTON, W., and CO., Great Bridgewater Street, Manchester — Machinists.
Cotton-opener, on Samuel Hardacre's patent principle, being the application of the batting-stick in such a manner as to open from 40,000 lbs. to 50,000 lbs. per week of 57.5 hours, requiring only 1.25 to 1.5 horse power.
Framed drawing of double-beater lap machine, with fan attached.