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1896-1897 | |
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Marconi's first Patent In January 1896 less than a year after he had started experimenting seriously, the young Marconi began to consider applying for a patent for his invention. Marconi came to Britain in the middle of February 1896. Unfortunately Marconi's 'Black Box', in which he kept his invention, was broken by Customs officials during their examination of this unfamiliar apparatus. Under the guidance of his cousin Henry Jameson Davis, he filed the world's first patent application for a system of telegraphy using Hertzian waves.  Patent No. 12039 |
 A letter from Marconi to his father, March 1896 (Courtesy Henry Willard Lende Collection, San Antonio, Texas) The British Patent number 12039 was filed on the 2nd June 1896. In July of that year he demonstrated his apparatus to both the Post Office and the War Office, and a historic demonstration took place at Three Mile Hill on Salisbury Plain on the 2nd September, with officials from the GPO, the Navy and the Army present. Many more experiments followed in 1897. Marconi returned to Salisbury Plain and achieved a range of 7 miles (11.2km). | |
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| 1894 - 1895
| 1896 - 1897 |
1897 The Telegraph and Signal Company Ltd. Chain of Events | Marconi ' The Man ' | Bibliography | ||
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