Books by John Dennis Constance:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Constance, John Dennis, 1909-: Air conditioning, and elements of refrigeration (McGraw-Hill, 1947), also by Samuel P. Brown (page images at HathiTrust)- Constance, John Dennis, 1909-: Basic thermodynamics. ([Pelex], 1952) (page images at HathiTrust)
- Constance, John Dennis, 1909-: Electrical refresher (D. C. and A. C. circuits and machinery) for professional engineers license (Constance, 1958) (page images at HathiTrust)
- Constance, John Dennis, 1909-: Electrical refresher for professional engineers license (Constance, 1954) (page images at HathiTrust)
- Constance, John Dennis, 1909-: Electrical refresher for professional engineers license examination. (Cliffside Park, N.J., 1951) (page images at HathiTrust)
- Constance, John Dennis, 1909-: Mechanical refresher for professional engineers license. (De Troy Press, 1954) (page images at HathiTrust)
- Constance, John Dennis, 1909-: Refresher notes ; hydraulics, thermodynamics, machine design for professional engineers license examination. ([Cliffside Park, N.J. The Author] : [publisher not identified], 1950., 1950) (page images at HathiTrust; US access only)
- Constance, John Dennis, 1909-: Thermodynamics refresher for professional engineers license. (Cliffside, N.J., 1955) (page images at HathiTrust; US access only)
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