An electric converter
By: by Wm. I. Book ...
Publisher: Press of the new era printing company
Published: 1913
Place of publication: Lancaster, Pa
Language: eng
Number of pages: 57
Subjects: Electric waves
Notes: Thesis (PH. D.)--University of Pennsylvania, 1913.
Reprinted from the Physical review, n. s., vol. II., no. 1, July, 1913."