Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 179
ELLISON DIFFERENTIAL DRAFT GAUGE Draft intensity=.33 of Water This gauge reads to .01 of water direct … Manometer No. I Ash pit 2 Over fire a 3 Above damper Loss of Draft \ Loss Draftin Ash Pit through Grate Fig. 3. Illustrating Draft Losses in a Boiler Plant. Note A piezometer tube reading, when the pressure is below atmospheric, includes the velocity pressure, andis therefore the total pressure or…
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-1167-519.webp)
