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Alro 400D Slide rule metal case 1950 Holland
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ALRO 400D circular Slide rule in metal case made ca. 1950 in Holland
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Out of stock
Category: Sold Stuff
Tags: 1950's, Netherlands, Slide rule, Working order
Description
This round slider rule is marked ALRO Syst 400D, comes in it’s complete metal case. Made in Holland in The Hague around 1950 after the patents were received. Rare model in good working condition with signs of use and age. Fully functioning. Closed it measures ca 13,5 cm or 5 3/8 inches wide. See pictures for details. Check the attached video on how to work your vintage man tool : slide rule operation instructions!
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Shipping rates NL- 5 euro - EU shipping 15 euro - World shipping 25 euro - 10% discount on orders over 100 euro. Minimal order amount 25 Euro. If this does not work for you please contact me at kevin@vintagemanstuff.com
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