Catalog Record: Ventilation of manholes. [No.] 4., Effect of vertical ducts in combination with openings in manhole covers on the natural ventilation | HathiTrust Digital Library

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Ventilation of manholes.
[No.] 4.,
Effect of vertical ducts in combination with openings in manhole covers on the natural ventilation /
by G.W. Jones, W.E. Miller, and John Campbell.

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Main Author: Jones, G. W. 1891-
Related Names: Campbell, John , joint author., Miller, W. E. , joint author.
Language(s): English
Published: [Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1940.
Subjects: Air.
Manholes > Manholes / Maintenance and repair.
Manholes > Manholes / Design and construction.
Manholes.
Note: "February 1940."
Physical Description: 7 p. : ill., charts ; 27 cm.
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