When blue is blue

Scientific treatise and study on the composition of the paint on the Protectorate 5h blue linden leaf stamp. Study of the dependence of the amount of paint on the color shade of postage stamps.

03. 05. 2025
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Other news:
Progress spacecraft transported 2.8 tons of supplies and mail to ISS

Progress spacecraft transported 2.8 tons of supplies and mail to ISS
Author: Vojtech Jankovič
Source: www.teraz.sk
Published: 22. 04. 2012 17:38

Angličtina / English

Use translation by Google Translate (no guarantee).

Informácia o preprave 2,8 ton nákladu, ktorý obsahoval aj súkromnú poštu pre členov medzinárodnej vesmírnej stanice ISS. Koľko z nej iniciovali filatelisti, ktorým po návrate obohatí ich astrofilatelistické zbierky?

Základné informácie:


Author: Vojtech Jankovič
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