THE BINARY CIRCULAR SLIDE RULE EUGENE DIETZGEN CO.

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

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

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

A Stanley Fuller Calculator Circular Slide Rule w. f. stanley & co. ltd., london, 1950 with a fitted wood case and brass mounting arm, together with a Fowlers: Twelve-Ten calculator. Length of first 1

1920s Halden Calculex circular slide rule, from J. Halden and Co. Case not included, measures 2 1/4" across.

Includes circular concise slide rule, Pickett slide rule, technical supply co drafting set, magnifying glass and 8" triangle template. LR IMPORTANT: Before bidding, please read the terms and condition

EUGENE DIETZGEN CO., MICROGLIDE, DECIMAL TRIG TYPE | CAT. NO. 1734 TABLES VINTAGE COLLECTIBLE SLIDE RULER ARCHITECT ALGEBRA/TRIGONMETRY -LEATHER CASE (INSIDE FLAP IS MONOGRAMMED) -GREAT CONDITION -CON

Lot of 6 pieces. Vintage Eugene Dietzen Co decimal trig log slide rule with leather case. Measures approx. 12.5 inches long. Group of 5 Adams glass slides labeled Anti D Anti B Anti A. Measure approx.

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

Surveying tool made by Eugene Dietzgen Co. Tool comes with a compass, levels, and telescope. Comes in wooden case that is labeled Scientific Instruments Co. Tool is in good condition with no cracks in

Transit, Eugene Dietzgen Co. Cased, Chicago New York SN# 4880 2nd Grade, Surveying, Optical

A group of eighteen circular slide rules and calculators, comprising: Scientific Instruments circular clide rule, No. 300-b with box and case, a Cruver computer, altitude correction AN5837-1 with box,

Comprising 9 tools in the original folding case. 4" H X 9,5" W X 1" D closed.

PICKETT DIAL RULE CIRCULAR SLIDE RULE 101-C WITH CASE AND BOOKLET | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -CASE

CIRCULAR SLIDE RULE LOT TWO KEY LINE'S "CONCISE" CIRCULAR SLIDE RULE LOG WITH FEDDERS AIR CONDIONING & HEATING (CASES AND BOOKLETS INCLUDED), CARRIER CIRCULAR MULTIPLYER, C-THROUGH TS-649 ENGINEERS. |

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

An artfully made lit easel from antique and new industrial parts. Marked Eugene Dietzgen Co. on base, Hubbell on the bulb cover, White Co on knob other parts marked as well. Adjustable height and full

circa 1940. circular slide rule type device used in fixing navigation points at sea. L11" Note: Writing on fitted box includes "German Submarine U865". U-865 was launched July 12, 1943 and went missin

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

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

SURVEYORS TRANSIT LEVEL, HARRISON PERCENTER MFD. BY EUGENE DIETZGEN & CO. NY, #54 L. 12"

High quality solid brass construction, marked Eugene Dietzgen Co, Chicago & New York, 2465. Approx diameter of base 3.5 inches, 12 inches long and 7 inches tall. Box is Approx 6 inches wide by 13 inch

A fascinating mathematical calculator that became known as the circular slide rule.

Three sandpaper pencil pointer blocks with old advertising by F Weber Co., American Lead Pencil Co. and Eugene Dietzgen Co., circa early- to mid-20th century. F. Weber Co. measures 7 x 1.25 inches. We