Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
A popular treatise on the warming & ventilation of buildings : showing the advantage of the improved system of heated water circulation / by Charles James Richardson. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.