Lot 1162

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Breitling Bentley GT Racing A13363 Stainless Black Dial Watch: Breitling Bentley GT Racing A13363 Watch. Complete with watch, instructions, slide rule, original box. Stainless Steel Black Dial 45mm Mens Watch. Bentley GT Model. A13363. 2328927.

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Vintage Keuffel and Esser Co. Jet-Math Slide Rule: A 1966 Keuffel and Esser Co. Jet-Math 68 1576 slide rule with original box, instructions and case. Slide Rule is marked 4161-3. Made in USA.

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Vintage NOS Teledyne Post Versatrig "Hemmi Japan" Slide Rule: Vintage NOS Teledyne Post 10" Versatrig "Hemmi Japan" bamboo slide rule (44CA-500). In original box with instruction booklet, warranty paper, case and slide rule. Box is 15" x 7 1/2".

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A Rare Cretes Opthalmic Slide Rule, French, circa 1875,: A Rare Cretes Opthalmic Slide Rule, French, circa 1875, signed in manuscript Regles Calcul du Dr A Cretes. Cretes Optician Rue de Rennes 66 Paris, brass surround, card scale and slide, instructions in

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Five Pocket Circular Slide Rules, English, Early 20th: Five Pocket Circular Slide Rules, English, early 20th century, Including three examples by Fowler, the larger in case with instructions, a Haltham's 'Calculex' example, and another similar, the larges

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Vintage Chinese "Flying Fish" Slide Rule: Vintage Chinese "Flying Fish" surveying slide rule #1005. Comes in original case and includes instruction book. Case measures 13 3/4" long.

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Pair of Vintage K&E Slide Rules: A pair of vintage K&E slide rules, including: one Model 68 1120 Deci-Lon 5 and one Model N-4100. The first comes in original box with leather case and instructions, dated 1961 The second comes in hard

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Gerber Variable Scale Engineering Slide Rule Model TP007100B With Case: This slide rule is in excellent condition with little signs of wear seen. It comes with original case. There is no instruction manual. It is about 12" long. Please, review pictures for condition and d

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Vintage Pickett Model N600T Slide Rule: A vintage 6" Pickett model N600T Log Log 'Speed Rule' slide rule. Near mint condition with original leather case, box, and instruction book. Dated 1962. *note - some wear to box

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Vintage Slide Rule: A Jason Model 803 slide rule, in leather case, with original box and instruction booklet.

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Vintage Keuffel and Esser Co. Pocket Slide Rule: A 1966 Keuffel and Esser Co. Pocket Slide Rule in original packaging. Comes with leather sheath and instruction manual. Made in USA.

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Vintage NOS Scientific Instruments Co. Electro Vector Log Log Slide Rule no. 1570: Vintage 1960s NOS Scientific Instruments Co. Electro Vector Log Log slide rule. no. 1570. Comes in original packaging and includes instruction booklet, warranty card, case and slide rule. The slide ru

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Lot of Vintage Dietzgen Slide Rules: Group of 4 vintage Dietzgen slide rules. Includes a 1942 1768P Reliance with original case, box and instruction booklet, a 1950 Maniphase Multiplex Decimal Trig Type Log Log Rule no. 1732 in original

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Allegheny Slide Rule with Instructions 1948

Item Details

Description

Allegheny Plastic Slide Rule

With Instructions. NOTE: This has Centigrade and Fahrenheit calculations? on front. Extremely rare.

Date/Period: 1948
Dimensions: 4 1/4" Circular
Provenance: Hill House

Notes & Literature The Allegheny Slide Rule Company was a manufacturer of slide rules, a mechanical calculating device used primarily for multiplication and division, based in Pittsburgh, Pennsylvania. The company was founded in 1889 by John H. Sunter, a mechanical engineer who had previously worked for the Keuffel & Esser Company, a leading manufacturer of slide rules at the time.

The Allegheny Slide Rule Company became known for producing high-quality slide rules that were popular among engineers, scientists, and students. Their slide rules were notable for their accuracy, durability, and ease of use. The company also produced a range of other mathematical and measuring instruments, such as planimeters and vernier calipers.

Condition Report In original mailing package. Slide Rule is Mint.