№ СП993. Souvenir pack in cover “175th Anniversary of Pavel M. Golubitsky (1845–1911), inventor in the field of telephony”

16.03.2020
Artist-designer – Uliyanovskiy I.

№ СП993

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Pavel M. Golubitsky (1845–1911) is an outstanding Russian inventor in the field of telephony.

P. Golubitsky’s inventions are as follows: a dipole telephone, a multipolar telephone; a coal powder microphone, a microphone with a comb-like arrangement of coal; a power supply system of subscribers’ microphones with a common battery situated in the central station, which provided the means of building large urban telephone networks; and a telephone switch to interconnect pair-wise several telephone lines. P. Golubitsky was a pioneer of telephone service implementation on railway transport.

The stamp provides a P. Golubitsky’s portrait and a phone set of his invention.

The composition of the souvenir pack in cover “175th Anniversary of Pavel M. Golubitsky (1845–1911), inventor in the field of telephony” is included: stamp №2618 “175th Birth Anniversary of Pavel Golubitsky (1845–1911), inventor”, FDC with cancellation, vignette.



Paper Printing method Edition
Chalk surfaced Offset + glossy lamination 550 pcs.

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