A new book from Make: exploring the history of early American invention through its patent models
The post Inventing a Better Mousetrap, a History of American Patent Models appeared first on Make: DIY Projects, How-Tos, Electronics, Crafts and Ideas for Makers.
from Make: DIY Projects, How-Tos, Electronics, Crafts and Ideas for Makers http://ift.tt/1UdPgc0
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