其他書名 | A Description of Modern Telephone Appliances. A Common Sense Treatise on the Erection, Equipment and Maintenance of Telephone Exchanges. Line, Instrument and Switchboard Troubles and Their Remedies. Apparatus, Line and Cable Testing |
出版 | McGraw-Hill book Company, 1912 |
URL | http://books.google.com.hk/books?id=oTfkD3ec2gwC&hl=&source=gbs_api |