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A LACQUERED BRASS THEODOLITE by Cooke, Troughton & Simms Ltd, No.Y2295, with 8 1/4" tube, mounted to A frame on platform, in fitted mahogany case with maker's label, 15" wide (Est. plus 21% premium inc. VAT)Some wear to lacquer commensurate with use, small crack to bubble level glass, case missing leather strap
A late 19th/early 20th century oxidized and lacquered brass surveyor's theodolite, signed 'L. Tesdorpf Stuttgart' and numbered '2216', the telescope with rack and pinion focusing above a vertical circle with silvered scale, vernier and eyepiece, the signed horizontal circle with silvered scale, on adjustable feet, height 26.5cm (some faults).Buyer’s Premium 29.4% (including VAT @ 20%) of the hammer price. Lots purchased online via the-saleroom.com will attract an additional premium of 6% (including VAT @ 20%) of the hammer price.
Svanberg (Jons) Exposition des opérations faites en Lapponie, pour la détermination d'un arc du méridien..., 3 folding engraved plates at end, original wrappers, uncut and mostly unopened, spine a little frayed, Stockholm, J.P.Lindh, 1805 § Maissiat (Michel) Memoire sur quelques changements faits a la boussole et au rapporteur..., half-title, 8 folding engraved plates at end, light browning or soiling, original wrappers, uncut, faded, spine split, frayed at edges, Paris, L.G.Michaud, 1818, first editions, both rubbed, 8vo (2)⁂ Svanberg's measurement of the length of the degree of the meridian near the pole in Lapland was markedly shorter than that obtained by Maupertius, although the mid-point of the two degrees was not quite the same. A pencilled note inside the front wrapper states that 854 copies of the work were printed. The second item is a description of the construction and use of Maissiat's improved theodolite and other surveying instruments, with a short history of the mariner's compass. A copy in the Smithsonian is dated 1817 but is apparently otherwise identical.
Theodolith, England, Stanley London, um 1910, Messing/Stahl, Nr. 4066, Winkel- und Höhenmessgerät für Geometer, vielfach einstellbar, mehrfache Feinjustierungen, mit Lupen und Wasserwaagen, mittig mit Kompaß, H. ca. 33 cm, Funktion und Vollständigkeit nicht geprüftTheodolite, England, Stanley London, around 1910, brass / steel, No. 4066, spelled and height measuring device for geometers, multiple settings, multiple fine adjustments, with magnifying glasses and spirit levels, center with compass, height approx. 33 cm, function and completeness not checked
A Geodetic Theodolite by Ponthus & Therrode,French, c. 1910, in laquered brass with silver scales, 19cm horizontal circle divided to one arc-minute, reading to one arc-second by twin microscopes and verniers, 18cm vertical circle with same divisions and verniers, with level and telecope on counterbalanced mount, engraved 'A Hurlimann, Ponthus & Therrode Succ's Paris, in substantial fitted mahogany case with trade label, instrument height 42cm (not including raised telescope)
A Transit Theodolite by Starke & Kammerer, Vienna,Austrian, c.1920, in ebonised brass,16cm covered horizontal circle engraved ' Starke & Kammerer Wien, No. 10721', with twin levels divided to 20 arc-minutes, reading by verniers with microscopes to two arc-minutes, vertical circle with telescope and level, circle also divided to 20 arc-minutes reading to two minutes,
A Surveyor's Circle or Simple Theodolite,French, late 19th century, in lacquered brass, staff mounted 17cm circle divided to half a degree, reading to 1 arc-minute by vernier with micrometer screw adjustment, telescope and level mounted above, signed Ant. Lasselannes, succ Charles, Paris, in fitted walnut case with sun shade
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2335 item(s)/page