egal...
 Disasters induced by geophysical effects
Earthquakes Tsunamis
 1957/58 : IGY-Campaign
IGY: International Geophysical Year
 Congresses of Geophysical interest
IUGG: Int.Union Geodesy Geophysics Other Congresses & Meetings
 Geophysically relevant cruises of ships
Cruises of Ship Polarstern
 Geophysically relevant surveys in polar regions
Arctic Antarctica


  found 1 countries with filter 1111,x,x: People.Zhang-Heng

General Geophysics on Stamps - Allgemeine Geophysik auf Briefmarken - Géophysique sur les timbres - Selected topic(s): People.Zhang-Heng

China 1955

invented the world`s first seismoscope


Categories1: People.Zhang-Heng,Seismology


Attributes and External Links:
Zhang_Heng
Zhang_Heng
Zhang Heng
Zhang Heng

Philatelic Objcts with topic: People.Zhang-Heng on 25.06.2021