Early Slide Rule K&E with Leather case, 1890s [137447]

The manual is copyright 1891 so the slide rule is potentially 1890s. This is a very early version of one of the most scientific computing devices.Date: Country (if not USA): State: City: Provenance:

DESCRIPTION: Vintage Keuffel & Esser Co. log log duplex decitrig slide rule featuring marks for calculating various mathematical functions from arithmetic to trigonometry to algebra. Includes orange l

#4092-3

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

1962 PICKET AND ECKEL SLIDE RULE WITH LEATHER CASE - GOOD CONDITION

(2) VINTAGE DRAFTING TOOLS Includes: Map wheel compass made in Germany, in original leather case & Keuffel Esser slide rule in leather case ; Condition - Scuffs to ruler case ; Measures: Case is 13" l

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

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.

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

VINTAGE DRAFTING TOOLS, FOLDING RULER, SLIDE RULERS, SQUARE SOHACO Southington Hardware Co, on square, K&amp;E leather case for slide rule. 13&quot;<

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

Pickett Cleveland Institute Electronics Slide Rule Ruler N-515-T With Leather Case. Ruler and case are approx 16" x 2 1/2"x 3/4" and it weighs 0.525lb. The ruler appears not to have been used and has

Duo of vintage Pickett all metal slide rules. Includes a Model N803-ES Log Log Speed Rule Dual Base yellow all metal slide rule with original box, instruction booklet and leather case and a Model N101

A near mint condition 10" Pickett Model N4-ES Vector-Type Log Log Dual-Base Speed Rule, complete in box with leather case and strap. Dated 1959. *note - box is marked Model N4-T

Includes leather case and original box

JASON NO 802 SLIDE RULE WITH CASE | VINTAGE COLLECTIBLE SLIDE RULE RULER ARCHITECT ALGEBRA TRIGONMETRY ENGINEER TOOL DRAFTING -CONDITION ALIGNS WITH VINTAGE WEAR -BROWN LEATHER CASE -HS5721

FREDRICK POST CO. NO 1460 SLIDE RULE WITH CASE | VINTAGE COLLECTIBLE SLIDE RULER ARCHITECT ALGEBRA/TRIGONMETRY -LEATHER CASE (MONOGRAMMED INNER FLAP) -HS5621

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

FULLERTON-ACU, NO. 1200 6' SLIDE RULE WITH CASE | VINTAGE COLLECTIBLE SLIDE RULER ARCHITECT ALGEBRA/TRIGONMETRY -GREEN LEATHERCASE -HS5621

A duo of large size vintage slide rules by K&E, including: one No. 4080-5 Log Log Duplex Trig and one No. 4051. Both clean and in functioning condition with individual leather cases. *note - both curs

A pair of vintage slide rules by K&E, including: one 5 Deci-Lon 68-1130 and one 10 Deci-Lon 68-1100. Both in good, functioning condition with original leather cases. *note - marker writing on outside

A pair of vintage Japanese Hemmi slide rules, including: one Frederick Post No. 1461 model and one No. 1460 Versalog with SN#612805. Both made in Bamboo with individual leather cases, excellent workin

A lot of four Faber-Castell Model 167/87 slide rules, made in 1962. All function well and come in individual leather cases, near mint condition

Keuffel& Esser Co. Leroy lettering set and slide rule model no.4081-5 (comes with brown leather case that is missing the top flap). WescosaQuality tools come in a black carrying case that is marked 20