Technical collection
Technical collection of the PTT museum is set chronologically and it represents summery of the development of telecommunications, from the first telephones to the first computers. The collection includes the devices for telegraph, telephone, radio-telegraphic, radio and telephone communications and from the area of computers .
Some of the most significant exhibits in technical collection are: telegraph devices of Morse, Bodo and Hughes, Belinograph, various types of teleprinters, from the oldest generation to the newer types of devices - telex, then the copy of Bell's phone, inductor exchange, large number of desktop inductor phones, phones with dials and mobile phones, Polish radiotelegraphic stations and phones, all kinds of isolators and significant number of electric tubes, lamps and cables.
Technical collection includes models such as model of Chappe optical telegraph, model of Avala tower and FM station.