The Graf Zeppelin airship over the Hague, 1929.
https://diqn32j8nouaz.cloudfront.net/zeppelin_hague.jpg
Previously:
https://www.homemadetools.net/forum/...250#post134800
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The Graf Zeppelin airship over the Hague, 1929.
https://diqn32j8nouaz.cloudfront.net/zeppelin_hague.jpg
Previously:
https://www.homemadetools.net/forum/...250#post134800
I've got an "official" sample of the engine oil from that, my mother's father was a top engineer at Tidewater Oil Refinery that supplied the oil so he was given this sample vial.