The formula of the integral. The earth bounded orbits of spacecraft

The formula of the integral. The earth bounded orbits of spacecraft
Catalog #
4610
Date of Issue
1976 10 August
Denomination
1 rub
Color
Blue
Artist
Paper
Chalk-surfaced
Printing method
Metallography
Perforation
Comb 12½:12
Issued
3,500,000
Tags
Space
Description
The achievements of Soviet science. The earth bounded orbits of spacecraft. The formula of the integral. Stylized image of a Sun and water - the likely sources of future energy.


Postage stamps the same series: Twelfth Standard issue of postage stamps of the USSR
Y. A. Gagarine. Federation Aeronautique Internationale
Y. A. Gagarine. Federation Aeronautique Internationale
Catalog #
4605
Date of Issue
1976 17 December
Denomination
12 kop
Color
Blue-purple
Artist
Aniskin E., gravyura na metalle Mokrousova I.
Paper
Chalk-surfaced
Printing method
Metallography
Perforation
Comb 12:12½
Issued
9,000,000
Tags
Space
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