Alro 300D Slide rule metal case full set 1950 Holland

145.00

ALRO system 300D circular Slide rule in metal case full set made ca. 1950 in Holland

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Description

This round slider rule is marked ALRO Syst 300D, comes in it’s complete metal case, with box, manual and paperwork. Made in Holland in The Hague around 1950 after the patents were received. Rare model in good working condition with hardly any 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!

Shipping & Delivery
Ask quote for your specific order please! GUIDELINES are but not restricted to: 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

All mail answered within 12 hours but most of the time much quicker!