Aristo 868 Aristo-Studio Plastic Pocket Duplex Slide Rule

$135.82 Buy It Now or Best Offer, Click to see shipping cost, eBay Money Back Guarantee
Seller: Top-Rated Seller nan-tiquescollectibles ✉️ (799) 99.6%, Location: Trenton, Michigan, US, Ships to: US & many other countries, Item: 145259824497 Aristo 868 Aristo-Studio Plastic Pocket Duplex Slide Rule. Aristo 868 Aristo-Studio Plastic Pocket Duplex Slide Rule. Leather cover stamped with "M.E.C. Fonerite [phone number removed by eBay]". It is in excellent condition and was probably given away as a prize or promotional item to lucky engineer or technician.  Aristo was a slide rule manufacturer since 1872. Dennert & Pape was founded by Johann Dennert & Martin Pape, in Hamburg, Germany, and continued under that name until 1936. D&P were the first to laminate and engrave celluloid on boxwood wood slide rules in 1886. Mahogany was used after 1888 and in 1902 started producing slide rules using the System Rietz scales designed by Max Rietz. Aristo began using "DUPA" as a trademark from 1924 to 1936. However, in 1925, the brand became better known as "Aristo", which appeared on slide rules along with "D&P". By 1936 "Aristo" became te official trademark on all their plastic slide rules. The plastic slide rules used Astrolon for the stock and Plexiglas for the cursor. The D&P company name officially became Aristo in 1948 when they introduced all-plastic Duplex slide rules and discontinued mahogany wood models. The first System Darmstadt from D&P was sold in 1939. Aristo stayed in the slide rule business until the end of 1978, a run of 106 years. Aristo was one of the most important slide rule manufacturers world wide. We are a Top Rated Plus eBay seller and stand behind every item we sell. If you are not satisfied with your item, you can return it within 30 days for a full refund.  Sold “as-is” -- see photos for more details. The photos in this listing are of the actual item you will receive.  Your order will be processed quickly and professionally packed and shipped using quality materials and sent via major US carriers to ensure a quality experience. 0723-MAIN1-ES
  • Condition: Used
  • Condition: Excellent Condition
  • Country/Region of Manufacture: Germany

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  •  Popularity - 6 watchers, 0.0 new watchers per day, 218 days for sale on eBay. Super high amount watching. 0 sold, 1 available.
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