“Screws at one single cut,” the ad boasts. This is an ad from the front of The Engineer’s Sketch-Book of Mechanical Movements, by Thomas W. Barber – full title: The engineer’s sketch-book of mechanical movements, devices, appliances, contrivances and details : employed in the design and construction of machinery for every purpose : classified and arranged for reference for the use of engineers, mechanical draughtsmen, managers, mechanics, inventors, patent agents, and all engaged in the mechanical arts, with nearly two thousand illustrations, descriptive notes and memoranda.
I’ve presented images from it before, and no doubt will again. It’s a beautiful book, available on archive.org.