The balloon lining of every Zeppelin, a German-designed rigid airship used in WWI, was made from the guts of 250,000 cows.
Source: http://www.ptt-museum.dk/en/online_magazine/previous_articles/broadcasting/?id=74
The balloon lining of every Zeppelin, a German-designed rigid airship used in WWI, was made from the guts of 250,000 cows.
Source: http://www.ptt-museum.dk/en/online_magazine/previous_articles/broadcasting/?id=74