Making and using elm tree pumps to drain mines before the days of the steam engine mb-code PG-12100-5 20th November 1820 (1821)

20th November 1820 (1821)

It was republished as plate 5 of A narrative of the building and a description of the construction of the Edystone lighthouse with stone

Although the risks to the children had been notified

Doctors' Commons

With track of Dampier's voyage

Making and using elm tree pumps to drain mines before the days of the steam engine mb-code PG-12100-5 20th November 1820 (1821)Making and using elm tree pumps to drain mines before the days of the steam engine, 1556 (1956). From De re Metallica by Georgius Agricola. A print from Things, a volume about the origin and early history of many things, common and less common, essential and inessential, by Readers Union, the Grosvenor Press, London, 1956.