A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Report of activity of Technical Bureau of German Telegraphs for 1922-1924
Details of experimental work in cables for long-distance telephone and amplifiers, multiple conversation at high frequency; high-tension interruptions; line construction; broadcasting; construction of apparatus; standardization.
Report of activity of Technical Bureau of German Telegraphs for 1922-1924
Details of experimental work in cables for long-distance telephone and amplifiers, multiple conversation at high frequency; high-tension interruptions; line construction; broadcasting; construction of apparatus; standardization.
Report of activity of Technical Bureau of German Telegraphs for 1922-1924
Bericht uber die Tatigkeit des Telegraphentechnischen Reichsamts in den Jahren 1922, 1923, und 1924
1925
25 pages
Article (Journal)
German
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Engineering Index Backfile | 1897
| IET Digital Library Archive | 1879
| IET Digital Library Archive | 1872
The Persian Government telegraphs
| IET Digital Library Archive | 1876
Discussion on “Telegraphs in Persia”
| IET Digital Library Archive | 1879