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New Sharpdraw® Mechanical Pencil Never Needs SharpeningThe SharpDraw Mechanical Pencil is available on the C.H. Hanson website – item #10333 – and at major retail outlets. For nearly 160 years, C.H. Hanson has been the go-to company for ...
In one 1636 example, a brass holder used a spring to push out the lead. Henry Petroski thinks this may deserve the title of “the first propelling pencil.” But mechanical pencils really took ...
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