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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