2 Precision Measuring Instruments, c. 1915

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

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

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

"La Filotecnica" Precision Leveling Instrument, c. 1915 Ing. A. Salmoiraghi & C., Milano. No. 25722, polished brass, 1 longitudinal bubble (working), 1 circular bubble (dry), not screwed down, height

2 Swiss Precision Instruments by FAVAG, c. 1960 FAVAG/Neuchâtel. 1) Switchgear with Excelsior Park Chronograph, with 4 plug-in contacts and adjustable magnifier. - And: 2) Tape chronograph, simil

2 Swiss Precision Instruments by FAVAG, c. 1960 FAVAG/Neuchâtel. 1) Control unit for a time interval, with time clock and plug-in contacts with French lettering, 110/220 volts, suitable e.g. for

Eight Precision Instruments, c. 1890-1910 1) Crank rheostat, Siemens & Halske, six changeable decade resistors, manganese wire-winding, in mahogany case, 14 ½ x 9 in. - 2) Crank resistor, Sieme

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",

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

Line Recorder by R. Fuess, c. 1915 Berlin, serial no. 2729, ink-writing measuring instrument, spring-driven. Linienschreiber von R. Fuess, um 1915 Berlin, Serien-Nr. 2729, schreibendes Meßgerät, fü

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

Resistance Bridges and Wattmeter, c. 1910 1) Resistance bridge with rheostat by "Hartmann & Braun", no. 667, with earphone. - 2) Precision wattmeter by "Siemens & Halske". - 3) Measuring bridge, 3 ro

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.

Precision instrument for drafting etc, the original wood carrying case. Approx 2 inches wide by 18 inches long by 1 inches tall. Wood case Approx 3.5 inches wide by 19 inches long by 2 inches deep. We

A brass C.J.G. Ltd. Abney level, measuring 2 x 6 x .75 inches, a brass pocket sextant, 3 inches diameter, a pair of J. Burk Original - portable guard-watchmans clocks (Germany).

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

La Filotecnica Precision Theodolite, 1915 Ing. A. Salmoiraghi & C., Milano, no. 28113. Polished brass, 2 levels, 4 reading magnifiers, height 13 ¾ in., length of the telescope 14 1/5 in. Large a

5 Radio Engineering Measuring Devices 4 instruments by Schwachstromtechnik AG (SAG), Zurich. 1) Tone frequency-generator, model A1110, c. 1948. – 2) Amplifier voltmeter, model A2111, c. 1948. – 3)

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

HARRY BERTOIA (1915-1978) FOR KNOLL DIAMOND CHAIRS, MID 20TH C., PAIR, H 30 1/2", W 33 1/2":Each chair has a frame of chrome-plated steel, upholstered in black fabric. No apparent labels. Measuring H.

Lot of various eye-motor coordination measuring tool including; Whipple Mirror drawing apparatus by C.H. Stoelting 1930 with 4 mirrors and 2 test measures 17"x 12"x 9" Stylus for precision steadiness

'Automatic Bookkeeping Register, Serial No. 2, c. 1915 A "one-off" machine that won the Gold Medal at Panama-Pacific International Exposition in San Francisco. Manufactured by The Automatic Bookkeepin

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

Neuhöfer Precision Instruments, c. 1900 Neuhöfer & Sohn, Vienna. 1) Mining surveying compass, black-lacquered brass, 360˚ scale, steel needle with locking mechanism, glazed, Ø 4 in., dimen