File:Aerostatic balloon (Fornari 1903).png

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Captions

Captions

Aerostatic balloon being filled with hydrogen gas (early 1900s).

Summary edit

Description
English: Aerostatic balloon being filled with hydrogen gas (early 1900s).
Italiano: Pallone areostatico mentre viene riempito con idrogeno (primi del '900)
Date
Source Fornari, P. La Piccola Fisica Sperimentale Spiegata al Popolo ed ai Giovanetti; Giacomo Agnelli Ed., 1903.
Author Valerio Giuso

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Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.


This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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