(Thematic) A Chart Of 187 Mechanical Movements, With Description Of Each., Harris & Mills, c. 1890 (second edition) If there was a type of "start-up" culture in the late 19th and early 20th century it would have been found in the firms and inventors who were deeply engaged in and centered on engineering and manufacturing. Beyond simple machines there was a world of ingenious mechanisms that could consistently deliver a "motion" that could deliver movement and energy. This folding chart was a feast for the imagination of alternatives for methods of how to harvest mechanical movement for your project or invention. Indeed, in the front of this folding chart is a list of "200 Subjects For Inventions!" which lists a laundry list of potential needs that need resolution from a "Self locking hat pin", or "Window sash working with weights, which will stay as any height" to "A Coin operated machine to register letters and deliver numbered receipt" and dozens of potentials in between. Condition is good with a neatly repaired opening tear to the chart, looseness to the contents and wear to the hard covers. Image size for the opened chart is approximately 19 x 26 (inches)
