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A COLLECTION OF SURVEYOR'S MEASURING INSTRUMENTS by Cary, Troughton & Simms etc to include a mahogany cased set of five boxwood scale rules with Marquois triangle and three further rules, various makers, an Abney level, an optical square and a planimeter, all cased along with Hoppus tables and measurer books for the timber trade
Amended Lot, this lot consists of two seperate items;firstly; A Harmonic Analyser & Universal Planimeter,serial number 2048, signed 'A Ott, Kempten, Bayern', in fitted case with original instructions and additional notes regarding the mathematical theory, a cased planimeter, case width 63cm,Notes: This mechanical Fourier analyser (an analogue computer or integrator) is used in conjunction with a planimeter. The design is attributed to O. Mader, and the instruction booklet (in French) is entitled L' Analyseur Harmonique Mader-Ott.Secondly; A universal or combination planimeter by A Ott, complete with accessories in velvet lined case, case width 25cm;Notes: the universal planimeter can be used as a linear, polar, or radial planimeter. Reference: Notes on Mechanical Fourier Analyzers, Robert K Otnes, Journal of the Oughtred Society Vol 17 No. 1 2008
A MOULDED CAST IRON COMMEMORATIVE PLAQUE OF THE DUKE OF WELLINGTON, profile bust surmounted with a crown, by Jobson's of Derby, 13th November 1854 (some surface wear), together with cast trivet, door knocker, door stop, an embossed letter stamp 'J.W. Matthews & Son Limited' and a cased planimeter (6)
UNIVERSAL AVOMETER MODEL 7 MARK IIno. 69197-A-1256, with circuit diagram contained within battery compartment, 21cm high; along with an A. OTT Kempten Bayern Type 7 Planimeter, no. 83568, contained within a fitted case; and a working model of a vertical steam engine, with flywheel, circa 1910, 17cm high (3)
A DEALERS/TRADERS LARGE BOX CONTAINING A NUMBER OF MILITARY STYLE ITEMS, three cannisters for possibly German WWII gas masks, eleven pairs of binoculars, two hand held looking glasses, a metal drinking vessel, three leather ammunition belts webbing and a Scottish hat, also present is a boxed Planimeter, boxed British gas mask, also a box of military buttons and a boxed naval compass
COLLECTION OF SCIENTIFIC INSTRUMENTS including a precision cut set of railway curves, range 5000mm to 30mm, in a fitted case, manufactured by Uchida; together with a planimeter no. 53977, in a fitted case, a Blundell Harling Ltd parallel rule, a half-precision beam compass with trammels, in a fitted case
A World War II teak cased set no 1 of boxwood rulers and scales with 1940 War Department arrow, by F McArthy & Sons to/w two bone scale rules and other rules and scales in teak case, a set of draughtsman's curves, a Sestrel boat's clock and barometer pair, an Military issue 1940 bearing compass, planimeter, drawing instruments, parallel rule etc (box)

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320 item(s)/page