Russia. Nikolay Slavyanov -Russian inventor in arc welding with consumable metal electrodes. Illustrated Envelop with special cancellation

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Nikolay Slavyanov -Russian inventor in arc welding with consumable metal electrodes.

Illustrated Envelop with special cancellation

Description Nikolay Gavrilovich Slavyanov ( 5 May [O.S. 23 April] 1854 – 17 October [O.S. 5 October] 1897) was a Russian inventor who in 1888 introduced arc welding with consumable metal electrodes, or shielded metal arc welding, the second historical arc welding method after carbon arc welding invented earlier by Nikolay Benardos.
Type Illustrated Envelop with special cancellation “100 years anniversary of the birth”
Condition: Good
Edges/Corners Fine
Used/Unused Cancellation, Perm, 14.09.1988
Published by/for: Ministry of Communications, 1988

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