Thacher's Calculating Instrument Cylindrical Slide Rule

Thacher's Calculating Instrument Cylindrical Slide Rule Mahogany cylinder with numbers printed on accordion folded coated paper; in wooden case with manufacturer users manual Property from: a Gold Coa

Thacher's Calculating Instrument, Cylindrical Slide-Rule, Keuffel & Esser Co., in original box, case is 24" by 6.75 by 6.25". In great condition.

Circa 1914 Thacher's Calculating Instrument or Cylindrical Slide Rule, designed by Edwin Thacher in 1884, this version manufactured by Keuffel & Esser Co. of New York, with tag stamped "No. 4012, Seri

Thacher's Calculating Instrument, 1881 Model 1740, American cylindrical slide-rule, manufactured by Keuffel & Esser, New York, serial no. 435, with original manual (dated 1884) in mahogany case. An e

KEUFFEL & ESSER THACHER CALCULATING INSTRUMENT, slide-rule cylinder with brass mounts and wood end handles mounted on original base with operating label, original dovetailed mahogany case with interio

slide-rule cylinder with brass mounts and wood end handles mounted on original base with operating label, cylinder is dated Nov. 1st, 1881. In original mahogany case.

Keuffel & Esser (K&E) 4012 Thacher Cylindrical Slide Rule, serial number 3596. Comprised of a brass core covered by paper marked with forty A scales, surrounded by an open rotating frame with twenty m

Mahogany Cased Slide rule or cylinder calculator by Edwin Thatcher. Mahogany and Brass mounts. Complete, Original. Very good to excellent condition with minor signs of gentle use, but no wear or damag

Keuffel & Esser 4012 Thatcher Cylindrical Slide Rule, retailed by F. Weber & Co. circa 1915, fitted in its original mahogany travel case. Dimensions:dimensions of case 6 1/2 x 24 x 6 1/2in

A Stanley 'Fuller Calculator' Cylindrical Slide Rule, early 20th century, brass mounted mahogany, fitted in its original mahogany travel case. Dimensions:dimensions of case 4 1/2 x 18 x 4 1/4in

Stanley Fuller Calculator Cylindrical Slide Rule. W.F. Stanley & Co., New Eltham, London. With case and manual. Case 18"l.

English, c.1921-1923, number 7870 (no preceeding letter) in nickel plate with white on black scales, cursor a single tube with index marks in the form of arrows, no address on scales, in fitted velvet

Two Stanley 'Fuller Calculator' Cylindrical Slide Rules, 20th century, bakelite and mahogany, each fitted in its original mahogany travel case. Dimensions:dimensions of case 4 3/4 x 18 x 4 1/4in

OTTIS KING CALCULATOR WALKING STICK. CYLINDRICAL SLIDE RULE, SCALE 414. 36" L

1927 bound catalog of papers, drafting instruments, slide rules, measuring tapes and more. State: City: Date:1927 Provenance: Stuart Mackenzie Montana Ephemera Collection

4 high precision measurement instruments, includes NSK, Nippon Sokutei slide rule, "DSI" instrument in case, Keuffel & Esser Co. Paragon in case & Germer Graph Analogue, Model GA-103, in original case

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

2 Logarithmic Calculating Drums 1) Professor Fuller's Spiral Slide Rule Calculator, 1889 onwards, made in England by Stanley, with wood handle, in mahogany case. - And: 2) Calculator Loga, 23 3/5 in.

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. -

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

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,

4 Military Calculating Devices 1) Measurement triangle by Gebrüder Haff, Pfronten, Bavaria; for determining the distance of hostile artillery. - 2) English slide rule, for height/angle calculati

Antique vintage group of various statistical and computation devices and tools. Includes: Weiss Slide Rule in carboard printed wheel by C.H. Stoelting circa 1950 Correlation and Machine Calculation bo

First half 20th century. Made by Kueffel & Essex o., New York. Cylindrical device with rotating center section to calculate different equations. Partial paper label, impressed numbers "4012 - 2382". M