The Telephone and Telephone Exchange, Their Invention and Development. By J. E. Kingsbury, M.I.E.E. Longmans Green & Co. 1915. Cloth. 558 pages, 170 illustrations. Price $4.00 net.
| Autor: | Kennelly, A. E. |
|---|---|
| Zdroj: | Science; April 1916, Vol. 43 Issue: 1113 p603-604, 2p |
| Databáze: | Supplemental Index |
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