This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Old Arts Form Basis For Air Conditioning Of Today
A historical overview traces air conditioning origins through cavemen chimneys and Roman hypo caust systems to 19th century humidification advances. It notes early coal use, steam heating, industrial ventilation, and ancient refrigeration practices, culminating in modern room and office installations driven by competitive demands.
MENTIONED IN THIS ARTICLE
Rome
England
Henry III
Martin Trienwald
Sweden
House of Commons
London
Bohemia
Alexander
Nero
United States
Michael Farad
Erie Railroad