Hopper Fields as an Aid to Automation (Design and Application of the Automatic Feed Devices in the Machine Shop) (Machinery's Yellow Back series, No. 39)
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68pp booklet with numerous black and white illustrations, in orange textured card covers. 8vo. Covers very lightly rubbed at edges, perhaps a tad faded. A couple of tiny black spots inside front cover, else internally neat, clean, bright and tight. Chapters on General Types of Hopper Feed and Selector Mechanisms; Hopper Feeds for Nuts and Feeds for Bottle Caps; Applications for Hopper Feeds in Production and Inspection etc. Now a very hard to find title, giving valuable insight into the state of automaton in the mid 1960s.
