caption: Historical artwork of a swimming machine
exif: {"Image ImageDescription": "American swimming machine. Historical engraving of a man swimming with the aid of an American swimming machine. This device was invented by the American inventor M. Richardson, in 1880. Using his device, the inventor claimed to achieve a speed of around 9.5 km/h for one hour without fatigue.", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image YCbCrPositioning": "Centered", "Image Copyright": "Science Photo Library"}