ScientificAmerican1899-05-13.jpg Scientific American 1899-04-01ThumbnailsScientific American 1899-05-13 Inside Front PageScientific American 1899-04-01ThumbnailsScientific American 1899-05-13 Inside Front PageScientific American 1899-04-01ThumbnailsScientific American 1899-05-13 Inside Front PageScientific American 1899-04-01ThumbnailsScientific American 1899-05-13 Inside Front PageScientific American 1899-04-01ThumbnailsScientific American 1899-05-13 Inside Front Page

Special Bicycle and Automobile Number. Cover features goddess of technological progress, holding measuring and drafting instruments, and surrounded by gears, wheels, a camera, hammers, and a paint palette; in the background a steam locomotive pulls a train over a viaduct.