11 Slide Rules, incl. Dietzgen 1798

Seven (7) circular slide rules, including Dietzgen 1798 Dempster RotaRule Model AA, Loga. 1st item: Dietzgen 1798 Dempster RotaRule Model AA 50-Inch Pocket slide rule, designed and manufactured by Jac

1st item: Eckel Dial-O-Matic Engineer's or Engineer's Log Log slide rule, manufactured by Lithocalculator Company, Arcadia, California, circa 1955. Comprised of two celluloid-coated aluminum disks, on

Keuffel and Esser (K&E) slide rules, including one (1) Nordell Sewer Slide Rule; one (1) 4160 Chemist's 10" Mahogany Duplex slide rule; and one (1) 4088-3 Polyphase Duplex Slide Rule. All comprised of

Some New Old Stock

THE BINARY CIRCULAR SLIDE RULE COPYRIGHTED 1931,1940 WITH BOOKLET | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -CASE

Including: Stanley 24 inch No. 12, No. 42 11 inch, Slide rule, 24 inch with brass slide and a 30 inch (not signed)

10" Polymath Multiplex No. 1744, 10" Mack Improved Automatic Adjusment, No. 17623, 5" Redi-Rule No. 1771

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

DIETZGEN SLIDE RULE 6" WITH LEATHER CASE U.S.A. | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -CASE -HS5721

A mixed lot of four vintage German slide rules, including: one Dietzgen N1733 Polymath Multiplex Delcimal Trig Type Log Log, one Weber #4281, one Nestler Mercur Nr. 0401, and one Reiss Reitz in all me

Also includes: Goodell-Pratt Company hand drill, Stanley reticulated drill, K & E Log Log Duplex slide rule and Pickett slide rule.

EUGENE DIETZGEN CO 10" SLIDE RULE WITH CASE | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -CASE -HS5721

3" tp 6" long. MEG IMPORTANT: Before bidding, please read the terms and conditions. When you registered for the auction you agreed to these terms and will be required to comply with them.

Group of Measuring and Drawing Tools, including compasses, a slide rule, a tape measure, and a Dietzgen Commander Drawing Instruments boxed set. Used condition, wear, worn.

Five (5) early calculators or slide rulers, including one (1) G. Small Pocket Calculator, Roberts Everard type box rule, G. Charpentier Calculimetre, Sexton's Omnimetre Circular Slide Rule, and one (1

"Pickett All-American Slide Rules" Trade sign, a large operational slide rule, in yellow painted surface. 86" x 11" A selection from

INCLUDING DIETZGEN, POST, LUTZ, PICKETT, KEUFFEL, & MORE. ORIGINAL AS FOUND CONDITION. UNKNOWN IF COMPLETE.

K&E and Dietzgen

11" Pickett(Japan), 10" Sans & Strieffe No.311, K & E No. 315(Missing Indicator), and 22" Sun Hemmi's Bamboo(Broken Indicator.

Five (5) Pocket Watch Style Logarithmic Circular Slide Rule Calculators, including four (4) Fowler's calculators, 5 items total. 1st-4th items: Four (4) Fowler and Company, Manchester, England, calcul

Model 1010 white painted slide rule. 80" X 1 1/2" X 11 1/4". Paint is flaking off though out the piece.Keywords: Mathematic, scientific, measurement, classroom, Educational, Teaching, Display, Adverti

Vintage Lot incl Vintage Straight Razor , Fur Collar , Slide Rule with Case and Instructions , Rubber Ducky , Slide Rule with Leather Case, etc

2 Logarithmic Calculating Drums 1) Professor Fuller's Spiral Slide Rule Calculator, 1889 onwards, made in England by Stanley, length of the barrel 11 ¾ in., with wood handle, in mahogany case. -

Art Deco Philco 48-460 Hippo with brown Bakelite case, slide rule dial, wraparound grill, and built in loop antenna. 7.75" H X 11.25" W.