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[Joseph Kaufmann's flying machine] Mechanische Technik. Taf. 34.
[Joseph Kaufmann's flying machine] Mechanische Technik. Taf. 34.
Druck und Verlag von F.A. Brockhaus in Leipzig [n.d., c.1870].
Wood engraving. Sheet 270 x 345mm (10½ x 13½"). Small tear repaired, some foxing.
A sheet of 15 numbered vignette illustrations, of which 14 show designs and uses of balloons. The exception is the most interesting, '14 Flugmachine von Kaufmann'. This was a steam-powered flying machine designed in 1867 by Joseph Kaufmann, a mechanical engineer from Glasgow, with a 40-horsepower steam engine weighing over 5,000 pounds, driving a pair of flapping 35 feet long wings. A large ball was suspended below the aerial machine for stability. He presented a lecture on his experiments to the Glasgow Mechanics Institute in 1869, with a working model. After the wings of the model broke off, the lecture ended and no further reports of Kaufmann's machine exist.
[Ref: 56956]   £260.00   (£312.00 incl.VAT)
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