Telephone repeaters
By: by Bancroft Gherardi ... and Frank B. Jewett ...
Publisher: Bell Telephone Laboratories
Published: 1930
Place of publication: New York]
Language: eng
Number of pages: 1313
Notes: Illus. on recto of p. 1271; on verso of p. 1278.

"This reprint of the fundamental paper on telephone repeaters has been produced in a limited quantity by the photo-offset process ... The paper was originally presented at a joint meeting of the American institute of electrical engineers and the Institute of radio engineers in October, 1919, and was published in the Proceeding of the A.I.E.E. for November, 1919."