A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Description of selected items on display showing trend of development of equipment and complete systems.
Telephone engineering at Leipzig Fair of 1939
Die Fernmeldetechnik auf der Grossen Technischen Messe Leipzig 1939
Hagen, E. (author)
1939
15 pages
Article (Journal)
German
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Telephone exhibits of Leipzig Fair of 1933
| Engineering Index Backfile | 1933
Improvements in telephone equipment as exhibited at Leipzig Fair of 1936
Engineering Index Backfile | 1936
Novelties in telephone practice as shown at Leipzig Fair in 1935
| Engineering Index Backfile | 1935
Engineering Index Backfile | 1949
Telephone engineering at Milan (Italy) Fair in 1942
| Engineering Index Backfile | 1942