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Ebony and brass octant.

1777-1810

Oersted Compass Needle, 1828

1828

Instrument to demonstrate "Persistence of Vision"

1820-1840

Transit theodolite, British, 1816-1850

1816-1850

Simple theodolite, English, 1690-1725

1690-1725

Altazimuth theodolite, British, 1816-1850

1816-1850

Azimuth compass, British, 1811-1830

1811-1830

Pseudoscope, 1850-1860

1850-1860

Compound Monocular Microscope, 1751-1800

1751-1800

Solar Microscope, 1616-1856

1818-1856

Solar microscope in case

1788-1796

Harris's electroscope

1834-1849

Gunner's calliper in electrum and ivory

1816-1850

Glover's sector

1839-1850

Casket portrait in relief (Henry Swan's crystal cube)

1860-1865

Refracting Achromatic Telescope

1798

Apparatus used by Wheatstone in his early researches in spectrum analysis

1830-1839

Diagonal Mercury Barometer with Hygrometer, 1763-1765

1763-1765

Clinometer rule, British Antarctic Expedition, 1901

1816-1850

Daily Herald Photograph: Tithe War

1936-06-24
Developing box for Daguerreotype process, with thermometer by Watkins & Hill, 5 Charing Cross, London, c. 1839-40.

Developing Box for Daguerreotype process, 1839-1840

1839-1840
Ticket, British Railways, for the coronation of Queen Elizabeth, Charing Cross Railway Bridge Stand, 2nd June 1953, red card, 5" x 8". 2 copies.

Ticket for coronation of Queen Elizabeth, Charing Cross Railway Stand

1953
Telescope "G10" engraved Thos Jones, Charing Cross, London, "3 1/2" O.G. body 3' 7 1/2" long 3 3/4" diam, 3 inverting eye pieces, 1 erecting eyepiece, tube with two powers, 2 dark glasses, 1 brass cap for eye end, finder 10 3/8" x 7/8", in mahogany box with key

Telescope "G10" engraved Thos Jones, Charing Cross, with case

1815-1850
Portable transit instrument of 2¼-inch aperture by Thomas Jones, London, with striding level, lamp and glass screen in a fitted box. Accessories include 7 glass levels, 1 magnifier, 2 eyepieces, 2 dark slides and a micrometer slide.

Portable transit instrument of 2¼-inch aperture by Thomas Jones

1816-1850
Double sounding sextant made by Thomas Jones, London, about 1830. Two polished brass sextant frames and limbs connected parallel to each other by pillars and a brass plate; two wooden handles, one the front the other on the back of the frames. Signed on the limb of the upper sextant: Thomas Jones 62 Charing Cross London. Marked on the crossbar of the upper sextant: D.170. Two inlaid silver scales, each from -2° to 143° every 20', measuring to 128°. Two silver verniers both to 30". Two index arms, the tangent screw and clamping screw is on top of the upper arm; the lower tangent screw and clamping screw are on the back of the lower frame. No shades. Adjustment of the index and horizon glasses by square-headed screws and a detached key (not found). The magnifier on the upper sextant is on a 80-mm swivelling arm; that on the lower sextant is on a 100-mm swivelling arm mounted on the back of the frame. Threaded telescope bracket in two parts, fitted for correcting collimation error; the bracket is fixed between the two frames. Telescope (165 mm) with a shade (red), erect image. Sight tube (155 mm). The limb of the lower sextant is fitted with a greatest angle clamp (see notes). Box not seen, WMB. A trade label for Thomas Jones, London taken from the box.

Double sounding sextant.

1825-1835
Telescope (achromatic) with double image eye piece, micrometer of the Ramsden form, said to have been the property of Lord Nelson. F.l. 43". Made by J. & W. Watkins, London

Telescope (achromatic) with double image eye piece

1785-1795
Balance

Balance, 1806-1840

1806-1840
Poster, "Hackney Carriage Fares and Distances", London Brighton & South Coast Railway from Pimlico terminus, 1861.

Hackney Carriage Fares and Distances

1861
Two ivory sectors by Holtzapffel & Co., 64 Charing Cross (B502; A54794)

Two ivory sectors by Holtzapffel & Co.

1839-1865
Finder 10 3/8” by 7/8”, for refracting telescope by Thomas Jones, 1815-1850.

Finder for Refracting Telescope by Thos Jones

1815-1850
Eyepiece for refracting telescope by Thomas Jones, 1815-1850.

Eyepiece for Refracting Telescope by Thos Jones

1815-1850
Eyepiece fitted with dark glass, for refracting telescope by Thomas Jones, 1815-1850.

Eyepiece for Refracting Telescope by Thos Jones

1815-1850
Dip sector made by Thomas Jones, London, about 1845. Lacquered brass frame and index arm, polished limb, a hinged wooden handle. Signed on the limb: Thomas Jones 62 Charing Cross London. Marked on the limb: I 1. Inlaid silver scale from -5° to 40° every 10' (from left to right). Silver vernier by 10", zero at the left. The double-ended tangent screw and the clamping screw are on the back of the index arm. No shades. Index-glass adjustment by screw; adjustment of the horizon glass by capstan screws. A detached magnifier. Threaded telescope bracket in two parts, fitted for correcting collimation error by capstan screws; perpendicular adjustment by rising-piece and a milled knob. Telescope in two parts at a right angle, containing a prism; a shaded eyepiece (grey). No box. The observer looks through the telescope and sees reflections of the horizon on either side of him, at an angle of 180°. The horizons are brought into one line by moving the index arm, and the dip or rise of the horizon is read from the scale. I 1 was the Hydrographic Office serial numbering adopted in February 1828, where I was the letter presumably given to dip sectors.

Brass dip sector.

1840-1850
Wollaston type camera lucida by Watkins & Hill, in leather case, English, date 1836

Wollaston type camera lucida by Watkins & Hill

1836
Two clinometers, jointed-rule type, one by Thomas Jones, first half 19th century, ex Antartic Expedition 1901, the other unsigned

Two Clinometer rule, British Antarctic Expedition, 1901

1816-1850
Pair of pulley blocks

Pair of Pulley Blocks

1814-1851
Artificial mercury horizon with mercury container and storage case with trade card, made by Thomas Jones, 62 Charing Cross, London, 1835-1845. Consists of a rectangular metal trough, with wooden lining, and loose fitting roof-shaped brass cover with side glazed panels. The mercury bottle is a flat wooden container with wood screw stopper. Marked, ‘F.26.’ the property mark of the Hydrographic Office of the British Admiralty (adopted February 1828).

Artificial mercury horizon.

1835-1845
Protractor, semi-circular, by Watkins and Hill; diameter about 6 1/2", arm projects 6" beyond circle, engraved "Watkins and Hill, Charing Cross, London", "H.O.R." in case 14" x 5 1/4" x 7/8", mahogany

Protractor, semi-circular, by Watkins and Hill; diameter about 6 1/2"

Circular protractor 6-inch, engraved "Watkins and Hill Charing Cross London"; divided in degrees and numbered 0 to 360 degrees; in wood case with inlaid brass plate engraved "H.O. ^ 7"

Circular brass protractor, 1818-1856

1818-1856
Artificial glass horizon, made by Thomas Jones, 62 Charing Cross, City of Westminster, London, around 1910. Consists of rectangular brass anodized base holding a blackened glass mirror plate with three levelling feet (lacking spirit level). Used by the British Hydrographic Office, marked with ownership number, F84 (adopted in February 1828).

Artificial black glass horizon.

1850-1861
Electrostatic machine, wood frame, glass cylinder, metal fittings, by Watkins and Hill, 5 Charing Cross, London, second half 19th century

Electrostatic Machine, 1851-1856

1851-1856
Reduction plate by Jones, engraved "Thomas Jones 62 Charing Cross, London", outside dimensions of brass frame are 8 3/8" x 6 3/16" and nearly 1/4" thick, glass has cross lines on under surface 7" x 5", each inch divided into 12 parts, mahogany box 9" x 6 3/4" x 7/8" with Jones's card inside

Reduction plate by Jones, with case.

1816-1850
Poster, "Hackney Carriage Fares and Distances", from Pimlico and Victoria terminus, 1860.

Hackney Carriage Fares and Distances

1860
Handbill, "Hackney Carriage Fares and Distances West End of London & Crystal Palace Rail from Pimlico terminus",1857.

Hackney Carriage Fares and Distances

1857
Collection of two boxwood sectors by Holtzapffel & Co. (B518)

Two boxwood sectors by Holtzapffel & Co.

1839-1865
Bullock's circular protractor, 6 inch, divided on silver to 1/2 degree, reading by vernier to 1', with tubular radial arms; engraved "Thomas Jones, 62 Charing Cross, London" and "R.109", in case

Bullock's circular protractor

1816-1850
Key for wooden case, for refracting telescope by Thomas Jones, 1815-1850.

Key for Case for Refracting Telescope by Thos Jones

1815-1850
Brass cap for eye end, for refracting telescope by Thomas Jones, 1815-1850.

Brass Cap for Refracting Telescope by Thos Jones

1815-1850
Tube with two powers for refracting telescope by Thomas Jones, 1815-1850.

Tube with Two Powers for Refracting Telescope by Thos Jones

1815-1850
Eyepiece marked 3, for refracting telescope by Thomas Jones, 1815-1850.

Eyepiece for Refracting Telescope by Thos Jones

1815-1850