Specification of Thomas Hills the younger
Subtitle: steam boiler furnaces
Publisher: Great Seal Patent Office; George E. Eyre and William Spottiswoode)
Published: 1855
Place of publication: London
Language: eng
Subjects: Furnaces; Steam-boilers
Notes: At head of title: A.D. 1833. No. 6389.

"Thomas Hills the younger, of Saint Michael's Alley, Cornhill, in the city of London, gentleman".