Telecommunications

The collection of telegraphy contains the most important telegraph devices used on our territory, teleprinters as well as other telegraph accessories.
The collection of telephony contains both telephone sets of all systems used on our territory since its introduction and manual telecommunication means as well as parts or components of automatic switching centres. The transmission technique is represented by amplifiers and components and specimens of phone external and cable lines.
The collection of radio technology contains several early devices for telegraphy with damped waves; domestic production is represented by a spark transmitter made by prof. Simek for connection with Paris in 1918. A larger collection contains early radio telegraphic and radio telephone electron tube devices mostly of foreign provenance. Early wireless sets of foreign (French, English and German) as well as domestic provenance. A large collection of wireless and telecommunication sets from the 30s till almost present time of foreign and domestic production (mainly post-war production of the firm Tesla). Wireless sets used on our territory of foreign and domestic provenance and their accessories.
The collection of TV technique contains models as well as originals of mechanical-optical systems of scanning (e.g. original Okolicsany's mirror screw), testing TV set with Nipkow's disk and experimental TV transmitting and receiving system of prof. Safranek. Foreign products of early period are represented by German TV set Fernseh from 1938. The post-war period is represented mainly by TV set of domestic provenance (Tesla) as well as domestic scanning and transmitting technology. This collection also includes several apparatuses for transmission of pictures.


 Home page NTM  Radio Prague

Ladislav Mergl , iso@ntm.anet.cz