CC0 Usage Conditions ApplyClick for more information. Wilhelm Kress (1836--1913) was an inventor, writer, and lecturer. This collection contains one of Kress' German patents, patent number 8706, for ...
There was a time when having your own plane was a pretty clear indicator that you were part of that upper crust of society. If it was a pricey and rare electric plane, then all the more. But those ...
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