Specification of George Kent
Subtitle: apparatus for sifting cinders and cleaning knives
Publisher: Great Seal Patent Office; George E. Eyre and William Spottiswoode)
Published: 1857
Place of publication: London
Language: eng
Subjects: Coal ash; Knives; Cleaning machinery and appliances
Notes: At head of title: A.D. 1852. No. 13,920.

"George Kent, of the Strand, in the county of Middlesex, patentee of the rotary knife cleaner".