CASED THACHER'S CALCULATING INSTRUMENT

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

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

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.

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

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

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.

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

5 1/2 INCHES LONG

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

Davis & Kidder's Patent Magneto-Electric machine for Nervous Diseases, 19th century, brass-bound mahogany-cased instrument with paper label. weight-driven geared-brass and cast-iron steel instrument,

Lot of doll items. (3) Cased instruments - French Horn, Violin with bow, Saxophone. No cases - Harp 9 1/2", Lute. Also - (3) prs. of glasses, (2) cased.

A RARE EARLY 19TH CENTURY ENGLISH SCIENTIFIC TIN CASED CELLESTIAL INSTRUMENT by Joseph Smith of London. 10.5 cm diameter. Note: A number of scientific apparatus are known to bear Joseph Smiths Signatu

Including a mahogany cased survey instrument marked Queen & Co. Maker Philada 5457 with silvered dial compass with folding sights and brass surround, with Jacobs rod mount, 5" diameter, case is 7 1/4

Transit, Cased, Brunson Instrument Co. Kansas City MO, Model 50, Compass needle missing, surveying, optical

CASED BRASS INSTRUMENT19th CenturyMarked ìTroughton & Simms. Londonî. Mahogany case.Case height 1.25î. Width 9î. Depth 5.25î.

Cased Gemeinhardt flute marked Elkhart, Indiana and numbered .

(16) Parker Metal Cased Writing Instrumentsincluding a silver tone Sonnet fountain pen with 14K gold nib; a gold filled fountain pen monogramed MM; Sonnet ballpoint pen; together with (3) fountain pen

A Civil war era drafting case with tightly packed instruments. It is a 6" set. The case locks securely. This was used by mechanical and civil engineers, architects, designers, cartographers and sea ca

A rosewood cased drawing instruments set, four Parker fountain pens, another, and a carved ivory letter opener

Circa 1900. Each nicely cased and in good overall condition.

Large quantity of various fountain pens including Waterman, Osmiroid, Onoto, Parker etc. (some boxed) and two cased drawing instrument sets

lot of early ledgers together w a leather cased scientific instrument kit

LOT ASSORTED VINTAGE WATCH MAKER'S SUPPLIES AND FRENCH BRASS INSTRUMENT, CASED

* A Group of Four Cased Surveying Instruments 20th century comprising three levels and a transit. Length of longest scope 10 1/2 inches. Estimate $ 80-120 Property from the Collection of Dr. David Spa