Keuffel & Esser Thachers Calculating Instrument

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.

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

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

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

Includes Templates. EL 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.

Keuffel and Esser, New York, surveyor's instrument on a folding tripod wood base. With two wood cases, smaller box marked "Keuffel and Esser", manufacturers of mathematical and surveying instruments.

latest patent date Oct 13.91, #11437, brass mounted compass and transit, in original wooden case with leather strap, retaining interior paper label. Compass with directional dial, level. Case 15 .25 x

Keuffel and Esser (K&E) Hoboken, NJ

Pair of mid-20th century surveying tools by Keuffel & Esser Co. (drafting instrument and supplies company founded in 1867 by two German immigrants); one WW2 era Cooke Radio Slide Rule, model #4139, de

Antique Keuffel & Esser Co. Solid Bronze Surveying Instrument. In Original Box. Condition: Generally Good. Dimensions: Box H- 15.5" x W- 9.25" x Depth- 10.25". Provenance: From a Long Island, NY Home.

Antique measuring instrument(?, 23"Lx5.5"x5.5") by Keuffel and Esser co

Vintage Keuffel & Esser survey transit scope instrument w/ original wooden case in good condition. Case measures 14" x 10 1/2" x 7 1/4".

Surveying instrument manufactured by Keuffel & Esser Co. New York, Early 20th Century, encased in a oak travel case with a hinged lid and brass hardware, model number N5003F, serial number: 79774, 10"

In fitted case, approximate height of case 6 1/4", width 8 3/8", depth 6".

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

Alidade, Cased, Keuffel & Esser, SN 52556, optical, surveying instrument, great condition with compass, c. 1927

Keuffel & Esser Co transit in case, optical, surveying instrument, serial 102328, c. 1948

Vintage K&E Co. survey transit scope instrument. Model 5093A Serial #160157 w/ original wooden case in good condition.

Including Keuffel & Esser surveyor's tool box, Buff Industries telescope case, sextant case, and leather case. Dimensions: (Leather) H 7.25" x W 20" x D 13.75" Condition: All showing wear consistent w

Keuffel & Esser surveyors level in case, brass, as is, optical, surveying instrument

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