the history of the telephone |
|
当前状态:全本 | |
书籍作者:未知 | |
更新时间:2022-08-26 | |
运行平台:MP3/MP4/PSP/手机/电脑IOS | |
关注次数:30 文件大小:304K | |
小说格式:TXT格式 下载 阅读 评论 收藏 |
内容简介
The History of the Telephoneby Herbert N. CassonPREFACEThirty-five short years, and presto! the newborn art of telephony is fullgrown. Three million telephones are now scattered abroad in foreign countries, and seven millions are massed here, in the land of its birth.So entirely has the telephone outgrown the ridicule with which, as many people can well remember, it was first received, that it is now in most places taken for granted, as though it were a part of the natural phenomena of this planet. It has so marvellously extended the facilities of conversationthat "art in which a man has all mankind for competitors"that it is now an indispensable help to whoever would live the convenient li