how air moves through rooms
“Illustrations of Ventilation”
by Lewis W. Leeds - from Lectures on Ventilation (1869)
public domain
Creative materials and intellectual property the public owns due to waived or expired copyrights.
These cool illustrations of how air moves through rooms were found at The Public Domain Review. Support them if you can! They are amazing!
The full book, Lectures on Ventilation (1869) by Lewis W. Leeds can be found in the Internet Archive. Support them as well if you’re able! Both of these organizations are doing the good work of preserving our shared creative and intellectual history.
For more throwbacks from the public domain, check out Throwbacks in The Family Room.