| 其他書名 | A Concise and Simple Explanation of the Construction and Use of an Inexpensive Wireless Equipment for Sending and Receiving Up to 100 Miles, Giving Full Details and Illustrations |
| 出版 | Spon & Chamberlain, 1909 |
| URL | http://books.google.com.hk/books?id=vyA9AAAAYAAJ&hl=&source=gbs_api |