Henri Giffard's steam powered steerable airship, 1852
{"Image ImageDescription": "Henri Giffard's (1825-82) steam powered steerable (dirigible) airship (with cigar shaped gasbag) during its ascent of 25 September 1852. From Louis Figuier Les Merveilles de la Science, Paris, c1870.", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image YCbCrPositioning": "Centered", "Image Copyright": "Science Photo Library"}