•f9SITORY QAMPBELL (George Ashley). The Co11ecte papers of G. A. Campbell, research engineer of the American Telephone and Telegraph Company. [Wit0ha foreword by V. Bush, an introduction by i. H. Colpitts, and a bibliography.] pp. xii. ÷ 548. Portrait, d.iarams, folded oharts and tables. •s:.0. New York, 1937.

Author

QAMPBELL, George Ashley

Language

en

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CAME - CAMPBELL. G