Steam engines and pumps described in a 19th century note
The text explains large tide powered pumps and powerful steam driven pumps. It describes a steam engine with a cylinder and piston fed by a nearby boiler, a valve that admits steam, and a cycle where steam lifts the piston creating a vacuum to reset the mechanism.
Natural History of Eagles and Falcons in a Genus
Vinius classifies eagles and falcons under one genus noting thirty two species. Ray Brisson separate eight eagles and twenty five falcons while Brisson lists fifteen eagles and thirty seven falcons. The eagle, sacred to Jupiter and used as Roman war emblem, is famed for fierceness and wide distribution including Britain.
MENTIONED IN THIS ARTICLE
Vinius
Mr. Ray
Briffon
Britain