Online Books by
H. W. Secor
(Secor, H. W. (Harry Winfield), 1887-)
Books from the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Secor, H. W. (Harry Winfield), 1887-: Experimental electricity course in twenty lessons. (The Experimenter Publishing Co., Inc., 1918), also by Sidney Gernsback (page images at HathiTrust)- Secor, H. W. (Harry Winfield), 1887-: Experimental electricity course in twenty lessons. (The Experimenter publishing co., inc., 1916), also by Sidney Gernsback (page images at HathiTrust)
- Secor, H. W. (Harry Winfield), 1887-: The how and why of radio apparatus, a treatise on the principles underlying the operation of wireless transmitting and receiving instruments, with an appendix on "Calculation and measurement of inductance," (Experimenter publishing company, inc., 1920) (page images at HathiTrust)
- Secor, H. W. (Harry Winfield), 1887-: Wireless course in twenty lessons (The Electro Importing Co., 1912), also by Austin C. Lescarboura and Sidney Gernsback (page images at HathiTrust)
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