Engraving depicting two types of hot-air balloons. Left: Hydrogen Balloon; the bottom quarter of the picture shows the method of filling the balloon with hydrogen produced by filling barrels with iron filings and sulphuric acid. Right: a Montgolfier hot-air balloon. Dated 19th century. 01/01/1850
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Details
Creative#:
TOP29618088
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
Not Available
Property Release:
Not Available
Right to Privacy:
No
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