Not in Wainwright.

Sheet containing 9 captioned diagrams explicating the correct and incorrect modes of proper ventilation for a heated room as lectured by Leeds, Civil War health inspector and consulting engineer of ventilation and heating for the U.S. Treasury Department. Captions read Erroneous; The Popular Mistake; The General Remedy - Very Bad; Partial Improvement; Correct. When Heating and Ventilating by Warmed Air; Change of Circumstances, Consequently, Incorrect; Incorrect; Correct; Direction Radiation - Exclusively. Diagrams include red and grey shading to represent heat and "foul air"; representations of flues and windows; and human figures. Figures include men, women, and a baby. The figures sit at a table, read in chairs, sleep in bed, sitin a toddler chair on the floor, and iron in the kitchen. Other room furnishings include a nightstand, stove, and fireplace. Also contains two proverbs "Man's own Breath is his greatest enemy" and "Always sleep with Open windows" and a warning about direct radiation from steam pipes as done in most printing offices and editorial rooms as the most "killing arrangement ever made."

Philadelphia on Stone

Historical Society of Pennsylvania: Society Print Collection - Posters & Broadsides - Advertisements - Miscellaneous Folder 1

Variants of six of the diagrams published as two lithographs in Lewis W. Leeds Lectures on ventilation: being a course delivered in the Franklin Institute,.... (NY: John Wiley & Sons, 1868). [LCP Am 1868 Leeds, 17720.O].

Separated into 3 pieces and upper corners missing.