Specification of George Davies : respiratory apparatus.
- Davies, George.
About this work
London : Great Seal Patent Office, 1864 (London : George E. Eyre and William Spottiswoode)
7 pages, 1 folded leaf of plates : illustrations ; 28 cm
At head of title: A.D. 1864, 18th April. No. 974.
"George Davies, of No.1, Serle Street, Lincoln's Inn, in the county of Middlesex, and no.28, Saint Enoch Square, in the city of Glasgow, civil engineer and patent agent".