5 vintage drafting mechanical pencils Koh-I-Noor, Vemco
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are 5 vintage engineering drafting mechanical pencils used on the aircraft industry in Wichita. 3 are Koh-I-Noor Adapto models, made in Italy. Two are in excellent condtion but one has lot of wear and scrapes on the button - but still works well. 2 are Vemco pencils from the Northrop Institute of Technology, which was established in California in WWII to supply the deperate need air aeronautical engineers. These pencils are unusual in that you TWIST the tops to lock the leads in place (rather than pushing down on the top button). Please add $2.00 for US shipping.
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