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
Poster, "Hackney Carriage Fares and Distances", London Brighton & South Coast Railway from Pimlico terminus, 1861. Hackney Carriage Fares and Distances 1861
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 "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
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
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
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
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
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
Handbill, "Hackney Carriage Fares and Distances West End of London & Crystal Palace Rail from Pimlico terminus",1857. Hackney Carriage Fares and Distances 1857
Poster, "Hackney Carriage Fares and Distances", from Pimlico and Victoria terminus, 1860. Hackney Carriage Fares and Distances 1860
Menu, card, Southern Railway "Farewell Dinner to Personal Staff', for the retirement of Herbert Walker, with black and white photograph of him on the cover, 1912-1937, To be held at Charing Cross Hotel on Friday 8th October 1937. Farewell Dinner to Personal Staff 1937
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
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
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