A 5IN. VERNIER SEXTANT BY TROUGHTON & SIMMS, LONDON, CI

Circa 1850 pocket drum sextant by Troughton& Simms of London. In VG original condition with a elements present. Measures 3" in diameter, 1.5" tall

Troughton & Simms London Nautical Sextant dated 1910 in custom wood case with applied brass accents and anchor. Box measures 5 5/8"L x 6"W base x 2.75"W top x 2 7/8"H5"W x 5"H. Condition report: overa

Quadrant, Troughton & Simms, London, 4 eyepiece, 1 eyepiece filter, pin, 9", Cased, nautical, navigation, optical, sextant, octant, quadrant

An English Oxidized Brass Transit Theodolite troughton & simms, london, late 19th/early 20th century with an angled eyepiece and 4 micrometer vernier with two fitted wood cases and additional accessor

MRKD. ON EDGE "TROUGHTON & SIMMS, LONDON". WOODEN CASE MRKD. U.S. AND P.W. CASE MEASURES 13 1/4" X 11" Terms: UPDATED 2023 TERMS FOR PURCHASING AND SHIPPING OF AUCTION ITEMS. PLEASE READ CAREFULLY BEF

STANLEY LONDON COMPASS & TROUGHTON AND SIMMS POCKET SEXTANT -Stanley London handheld compass marked on the underside (1914, No. 939) (1.5"H x 3"W x 3"D)-Throughton and Simms Pocket Sextant (No.3324) M

Sextant, Troughton Type Double Frame, Unsigned. Provenance, 1 eyepiece, Vernier viewer broken off but present, 1975 london receipt for purchase, 10", Case is poor, nautical, navigation, optical, sexta

A theodolit, Troughton & Simms, London, 19th centuryMessing, Glas, Metalloberflächen teilweise geschwärzt. Abnehmbares, horizontal und vertikal schwenkbares Fernrohr mit Röhrenlibelle,

Troughton & Simms London Pantograph, Cased, 24", Two wheels missing., drafting, graphic,

Two English Brass Astronomical Telescopes 19th Century the first example with a 3-inch lens and 43-inch body tube by Troughton & Simms, London, and having a finder, rack-and-pinion focusing, regular a

STATION POINTER Circa 1910 By Troughton & Simms, Co. (fl. 1826-1966). Signed on the radius circle "Troughton & Simms London". Original fitted box. Length 28". Diameter 6.5". Provenance: Historical Tec

CASED STATION POINTERLondon, 19th CenturyEngraved "Troughton & Simms London 382". Includes instructional booklet.Case height 2.25". Width 19.5". Depth 8".

Two marked Troughton & Simms, London, and the other with a black frame, unmarked. Largest measuring 8.5 x 11.5 x 6.5 inches.

* Two Black Lacquered Binocular Microscopes cooke, troughton & simms, london and spencer, buffalo, 20th century Height of taller 13 1/2 inches. Estimate $ 60-80 Property from the Collection of Dr. Dav

The vintage superior brass metal ship's Protractor by Troughton & Simms, London. Protractor is a historical nautical navigation instrument for finding and charting a ship's location. Dimensions: H: 18

Large mounted telescope by Troughton and Simms, London., 8" x 16.5"./////////////////////////////////////////////////////////////(From wiki):"Troughton & Simms was a British instrument-making firm, fo

DOUBLE FRAME PILLAR SEXTANT BY EDWARD TROUGHTONLondon, Circa 1795Signed on the arc of the frame "Troughton London". T-frame formed with strips of brass in duplicate, and joined with turned b

English 'Everest-Pattern' Theodolite by Troughton & Simms, c. 1880 London, original lacquered and oxidized brass, telescope with rack-and-pinion focusing, dust cap on objective lens, silvered scales a

Boxed early 20th Century Troughton and Simms sextant with fittings in original mahogany box with label for 1914

CASED BRASS DOUBLE FRAME SEXTANTLondon, 19th CenturyMarked "Troughton London" and "Capt Western". Wedge-shaped wooden case with nickel plaque on top engraved "D.H.C. Cooper. R.N.".Case height 5.5". Wi

CASED BRASS DOUBLE FRAME SEXTANTLondon, 19th CenturyMarked on scale "Troughton London". Paper label on interior marked "T. Downie". Wedge-shaped case.Height 5.5". Width 17". Depth 15.5".

English Bridge-Framed Vernier Sextant by John Blunt, Early 19th Century With lattice frame signed on the arc "J. Blunt, London", lacquered brass, inset silver scale divided to 140°, bridge enclosing

Solid brass double sextant by Cary of London. The case is engraved Captain Georges R.N. Registered Double Sextant No 64. Made of solid brass with high precision. With a silver vernier scale measurable

CARY, LONDON, EARLY 20TH CENTURY The fitted case with an attached label from the National Physical Laboratory-Teddington, and additional accessories. Length of vernier arm 8 1/2 inches. Provenance: Pr