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</html><description>Given that the first two well-attested full-scale metal-clad airships (both by David Schwartz and industrialist Carl Berg) were in Russia and Prussia in the 1890s, it should be no great surprise if an American concern built its own similar airship at about the same time. But entrepreneurs are opportunists; opportunity needs timing; and timing is &hellip; Read More &rarr;</description><thumbnail_url>https://ciphermysteries.com/wp-content/uploads/sites/6/2023/05/image-14-300x246.png</thumbnail_url></oembed>
