The A.S.Popov Central Museum of Communication contains artifacts which demonstrate the laws of physics and data transmission types. Being here feels like making a journey through time and space.
That’s how they delivered mail in old times.
Those who lived in the southern countries used camels for mail delivering.
Northerners had dogs for that.
Various post coaches are presented at the exhibition.
A huge collection of stamps attracts the eye.
“A box used by postal officials while traveling contains any utilities that can be useful en route. It was made according to the drawing of the Chief of the traffic department and State Councilor Rklitsky and was awarded a golden medal in 1913″
Every postal office used to have such a pair of scales.
A pneumopost tube is widely used in libraries, warehouses and banks when files are needed to be passed over some distance.
A file is put into a capsule. The capsule gets installed.
It is enough to push a button and the capsule will start its way to the place of destination.
The Voltaic cell.
The appliance demonstrates how the principle of electric magnetism works.
Underground telegraph lines.
The Siemens dial telegraph constructed in 1860.
A telegraph pole.
The device demonstrates the strength of acoustic waves. Put staples on the dynamic loudspeaker and shout into the microphone to see the effect.
Here it is demonstrated how digital and analog interferences sound.
A video image transmitted with various channel code capacity.
The Siemens dial telegraph we’ve seen before.
Morse apparatus used under field conditions.
It is a commutator used for getting a connection between a telephone operator and those willing to get in touch with someone by phone.
“Drop a coin, press the button, and dial your number after you hear a long code; to be connected with special departments no coin is needed, just dial a number after you hear a long code. Dial 01 for fire protection service, 02 for police station and 03 for ambulance station”. “Press the button to pull down and get the coin back”.
A commutator used in the beginning of the 20th century.
A telephonist’s gear worn in the end of the 19th century.
Desktop apparatus used in the USSR in 1936.
A sound console that was used till the year of 2005.
Receiving-set Zvezda-54 (Star) used in Moscow in 1954. “Long waves, medium waves and short waves”.
Paging devices were used in 1990 by those who didn’t have mobile phones. To send a message one had to call an operator and dictate a message for the user.
GSM Nokia DE-21 base station, 1994.
Colour TV camera, 1971.
“Small-sized TV receiver JUNOST-2″, USSR, Moscow”.
Everyone dreamed of having a TV receiver named Silelis in 1983.
Previously, the analog exchange occupied huge buildings unlike today, when a pair of such devices is needed to serve a residential area.
Videotelephone. Noone could imagine there will be such a thing as Skype.
Internet taxofon that has never been widely used.
The most recently used phones which became museum artifacts.
“Colour television camera to be used by spacemen on a spaceship”, USSR, 1977.
Communications satellite model.