The sound that kills. 1. Sound waves...

Creator
Date of creation
1942
Description
The sound that kills. 1. Sound waves travel at 1100 ft. per second. If amplified sound can go round the world. 2. Talk is sound. It travels in waves. Even a friendly remark travels endlessly in ordinary conversation. 3. It can go across town in cars and s
Object type
posters
Dimensions
Collection
War posters 1940-1945
Institution
Source
  • AE/00810 (Affiche, Lithografie), Oorlogsaffiches NIOD 1933 - 1946, NIOD/KB
Copyright
for information contact Koninklijke Bibliotheek/Nederlands Instituut voor Oorlogsdocumentatie
Keyword

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