Group of Electric Measuring Instruments

Group of Electric Measuring Instruments 1) Needle galvanometer by Leopolder & Sohn, c. 1900. – 2) Voltmeter and amperemeter by Morlot Maury, Paris, c. 1910. – 3) Aerial voltmeter by Telefunken, c.

including brass scales with weights, punch, bootjack hook and two slide rules. Tallest 5 in. The Lifelong Collection of Keith and Caroline Gray, Charlotte, NC. Keith and Caroline Gray were passionate

1 Electric Motor and 2 Measuring Instruments, c. 1920 1) Small electric motor, 220/240 V, 1/90 hp, 2000 rpm, with belt drive. - 2) Siemens & Halske, ampere meter, 0-30 A, Ø 4 1/3 in. - And: 3) Ampere

Group of Measuring and Surveying Instruments 1) 180° protractor with 2 sights, brass and steel, Germany, c. 1910. – 2) Russian compass, brass, silvered scale. – 3) Field galvanometer by Siemens

Lot of Two Seth Thomas Mantel Clocks; larger Clock has lighter color wood with inlay on front and is electric, measuring approx 9 1/2 inches tall, approx 20 inches wide and approx 6 inches deep. Inner

Leica "Oberfl.-Messgerät", 1946 Leitz, Wetzlar. No. 411331. Surface roughness measuring instrument after Forster, manual shutter (open/ close), for continuous electric motor drive. Surface changes a

Group of Measuring and Drawing Tools, including compasses, a slide rule, a tape measure, and a Dietzgen Commander Drawing Instruments boxed set. Used condition, wear, worn.

Instruments group includes: Two folding measuring sticks and one 6" advertising ruler. Ross London brass compass in box. Measures 4"L x 2.5"W. Condition report: Good condition, please examine all phot

A Group of Four Antique Medical and Scientific Instruments in Fitted Boxes by Various Makers, 19th/20th Century, Including a Davis & Kidder's Magneto-Electric Machine, an instrument by Carl Zeiss (Jen

Lot of 2 Electric Wall mount Clocks, Roman numeral faces; one Ceramic, battery operated measuring approx 11 inches diameter, has chip on back; one Electric, plug in Clock, marked for United. Property

A group of three nautical instruments consisting of a brass E.R. Watts & Son, London, Cotton Type range Finder (box measuring 2 1/4 x 11 1/8 x 3 3/8", a brass nautical range finder (5.125" x 3.5" x 1.

Signed S. Zamir oil on canvas painting. Depicts a still life image of a group of instruments. Signed upper right. Work measures 2 1/2" x 15 1/2". Housed in frame measuring 30 1/4" x 21 1/4". Good over

Includes one brass fireplace instrument stand with three tools. Stand measurement in inches is 10x28.5 and one brass and glass firewood holder measuring in inches 21x14.

Scientific Devices and Measuring Instruments 1) Mirror galvanometer, c. 1918, Siemens & Halske, moving coil system for general laboratory purposes, removable top, height 15 in. - 2) Tangent bussole, c

12 Precision Measuring Instruments, c. 1870-1900 1) Kohlrausch's universal bridge, no. 1822, Hartmann & Braun, with comparative resistors from 0.1 to 1000 ohms, induction coil and slide resistor, on m

Lot of 2 measuring instruments. XII th century. Butterfield Paris - Weight: 210 g - Region: France - Sizes: Divers - Condition: at first sight - good condition - no restoration - no repair

2 Lecture-Room Measuring Instruments, c. 1915 Manufactured by E. Leybold's Nachfolger – Cöln. 1) Direct current ammeter, reading from 0,2–2 amperes, with shunt up to 20 amperes. – And: 2) Dire

Four angle measuring instruments, European, 19th/20th centuryMessing, Stahl, Nickel, Aluminium, Glas, Metalloberflächen teilweise geschwärzt. Neigungsmesser mit skaliertem Viertelkreis und R

5 Vintage Measuring Instruments, c. 1910 1) Large lecture theatre ammeter for continuous current, height 17 3/4 in. – 2) 3 medium-sized ammeters. – And: 3) Galvanometer by "A. Gaiffe – Paris",

Lot of weather measuring instruments including thermometers, barometers, and more. One tube is cracked but not leaking. Others show some wear from age. See photos.

3 Animal Measuring Instruments, c. 1900 1) Horse measure by Cooper W. Jones & Co. Boxwood and brass. - 2) Cattle gauge, Chesterman's Patent. Brass, tape torn. - And: 3) Brass horseshoe measuring devic

Collection of Architectural & Measuring Instruments. Two architect kits, brass measuring tool, cube ruler and celluloid advertising ruler Portland Cement Co. Overall very good condition.

Franklin Mint Measuring instrument "Nocturnal" 24 Karat Gold. Part of the Franklin Mint's Great instruments of Discovery Series. 22 cm (at the highest level) on a mahogany wood stand. For additional p

A lot of antique math measuring instruments and drawing tools. Included: drawing instruments, micrometer, goniometer, protractor ruler, and Vernier caliper. Dimensions: 7 x 5 in.