2" 78 pages (1938), 18.2MB. REF - Scan contributed by Dr. Paul J. Tarantolo, Jr. PhD. K&E 4133
Results 1 - 48 of 403 K & E Keuffel & Esser Slide Rule 4081-3 With Case and box. As you can see, it has the original box, which is in great shape, the original instructions - even the original plastic sleeve. It is a really great piece. $45.00. $4.45 shipping. or Best Offer
John specialized in collecting K&E rules, with a strong interest in Pickett. In 2002, John described how he started with slide rules back in 1960: "I used a K&E 4181-3. We were mandated to use either a 4081-3 or 4181-3 in our freshman slide rule class. I chose the cheaper (very important to a married 18 year old) rule and
Archival photograph from recently discovered documents passed from K+E to Azon to Itellicoat at the dissolution of each company. . K&E Model Number, Slide Rule Type, Size, Core Material, Scales Features, IMAGE LINKS (Back to Return). 4012, Thatcher's Calculating Instrument . 4081-3, Log Log Duplex Decitrig
This instruction manual is for the 4081-3. This instruction manual is for use with the 1947 scale set up until 1955. See the DI scale addendum for rules after 1953. The Log Log Duplex Trig Slide Rule No. 4081 - 1955. This instruction manual is for the 4081-3, 4181-3 and 4181-1 produced after 1955. K&E Slide Rules
Model 4081-3, the Log Log Duplex Decitrig, differs from model 4080-3, the Log Log Duplex Trig, in that the degrees on the trigonometric scales are divided into Hunt, "Slide Rule" (U.S. Patent 2,500,460 issued March 14, 1950); Clark McCoy, "Collection of Pages from K&E Catalogs for the 4081-3 Family of Slide Rules:
The 4081-3 family of slide rules are duplex type of slide rules. The 4080-3 and 4081-3 were constructed on a mahogany frame with celluloid laminated to the surface except for a few all plastic versions. The markings are engine divided on the mahogany framed rules. These rules are identical except for the scale
K&E DECI-LON 10 Slide Rule with Instruction Manual Book 68 1100 K&E Keuffel & Esser 4081-3 Log Log Duplex Decitrig Slide Rule Original Case USA Vintage Keuffel & Esser K&E 4081-3 Slide Rule with Case. Slide Has Damage. $4.25. 3 bids. Free Shipping. Slide has cracks on one side and missing pieces on
27 Sep 2002 My collection of K&E slide rules. The only specific difference between the 4080-3 and 4081-3 series that I can see is in the trig scale arrangement (the 4081-3 is a decitrig). All the later-build high-end duplex rules like The manual is in excellent condition, with the pages still very white. This particular rule
DI Scale - The DI scale was added to the 4081-3 in 1953. SRT Scale - The ST scale was converted to a SRT scale in 1955. Another addendum was issued to allow the use of this edition of the manual for older versions of the 4081-3. "Extracts from the Manual on the Old Style LOG LOG DUPLEX DECITRIG SLIDE RULE".

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March 2018