Slide Rule

Slide rule signed Otis King's Pocket calculator patent no. 183723 K Scale 414-423 of the 1930s

Cylindrical slide rule Otis King's Pocket Calcultor Patent N. 183723 Scale 414-423 from the 1930s

Logarithmic slide rule FER mod. R8 no. 0266 signed "FER F.lli Ingg Ferrero Savona", from the

Large 84" slide rule ruler by Pickett Advertising Display Teaching Aid. Item features very nice

Cylindrical slide rule by Otis King's Pocket Calcultor Patent N. 183723 Scale 423 from the 1930s

Washington logarithmic circular slide rule model H 39 n. 298 of the thirties, Italian patent n

Washington logarithmic circular slide rule model G 29 Italian Patent n. 236298 Series G No. 813

Used to once advertise for "Pickett All-American Quality Slide Rules" Pickett (or Pickett & Eckel

. in Manchester. Includes original instruction manual. A form of a slide rule, it was designed for

. The company manufactured engineering supplies such as graph paper and slide rules and upheld

manufactured the first American slide rule in 1885. In 1893, Eugene Dietzgen Drafting Company began

A height measuring stand from France, circa 1900. A wooden rule with a sliding handle stands

"Giant" Vintage Slide Rule by Pickett "Pickett All-American Quality Slide Rules". circa 1960s The

This is a vintage pocket slide rule. An English, brass scientific measuring instrument, dating to

Antique ebonite brass and papier maché spiral slide-rule, conceived by George Fuller from Belfast

A dekorative appr. 120-year-old, large, wall-mounted round „Multimeter“ analog slide rule

A cased 1920s Fuller's cylindrical slide rule calculator Model 1, dated 1927. By W F Stanley of

Great graphic over scale slide rule model, generally used as display, or a teaching aid. This

Manchester. The Magnum circular slide rule is a compass style calculator with a pressed metal casing and

calculating power as a more than 80 foot long straight slide rule.

Wonderful 1940's "Versatrig" school room teaching aid. This double sided slide rule would be a

Midcentury oversized slide rule. Used as a teaching aid. Would be fabulous for a loft or an

Large wooden slide rule made by the KEUFFEL & ESSER COMPANY in New York, patented on J.une 5, 1900

Originally used as a teaching aid, this 7 foot slide rule would look amazing displayed as a work of

Slide rule handmade oversize for teacher demonstration in the classroom. Back in the day when slide

an antique monumental slide rule store display by Kueffel & Esser. Well know for their drafting

.

classroom demonstrator. These are the slides rules used by pilots for preparing a flight plans These days

, cars, planes, trains, guns, $100 dollar bills, slide rules, other dog breeds, etc. They are priced at

A large two-sided painted wood, metal and acrylic slide rule trade sign, advertising Pickett