How do inventions happen? NPR's Planet Money's team brings us the history of one underappreciated invention that has enabled countless other inventions, from the Phillips screwdriver to Bluetooth. You ...

Early efforts -- Elements of a successful machine -- The "Sewing-Machine Combination" -- Less expensive machines -- Appendixes: Notes on the development and commercial use of the sewing machine -- ...

Digital version of the 2d ed., rev. and expanded. First published in 1968 under title: The invention of the sewing machine. Digital imaging information: Original images captured at 400 dpi in ...