The Collections

William Wales

Created: 18.12.12

  • Name
  • Artist / Maker
  • Date made
  • ID
  • Nairne & Blunt
    After 1774
    Marine barometer

    Mariners began to use barometers in the 18th century to predict changes in the weather, but it was in the 19th century that their use at sea became widespread. This marine cistern barometer has a mahogany case and brass gimbals…

  • Kendall, Larcum

    A one day marine timekeeper with a 102mm diameter white enamel dial, in imitation of that of H4, with scrolling decoration at the quarters and roman hour numerals and Arabic ten-minute figures. It has polished and blued steel beetle and…

  • Dollond & Aitchison
    circa 1780
    Portable equatorial refractor telescope

    This is a brass, portable, equatorial, refracting telescope called a heliometer as it is designed for viewing the Sun. Its size makes it portable; its stand makes it equatorial; its optics makes refracting. As an equatorial telescope its 'equatorial plate'…

  • Short, James
    Portable reflector telescope

    This is a portable Gregorian (reflector) telescope. It is signed JAMES SHORT LONDON 208/1205 = 18 meaning it has a focal length of 18 inches (457.2mm), and that James Short had made 208 of that size out of a total…

  • Dollond & Aitchison
    circa 1770
    Achromatic telescope

    This is a brass double achromatic telescope, with a missing tripod stand. The telescope has a fitted mahogany box which contains in addition to the telescope tube a counterpoise clamp, object glass cap, small refracting sighting telescope (mounted on the…

  • Ramsden, Jesse
    circa 1780
    Transit instrument

    This transit instrument has engraved on the central bosss 'Fait par Ramsden pour Dollond London', made by Ramsden for Dollond London. Ramsden married into the famous optical instrument making Dollond family in 1765 when he married John Dollond's youngest daughter,…

  • Hodges, William
    'View in Pickersgill Harbour, Dusky Bay, New Zealand'

    Hodges' paintings of the Pacific are vivid records of British exploration. He was appointed by the Admiralty to record the places discovered on Cook's second voyage, undertaken in the 'Resolution' and 'Adventure', 1772-75. This was primarily in the form of…

  • Rust & Eyres
    Azimuth compass

    An azimuth compass with a brass bowl, mounted in gimbals in a wooden box. It is fitted with open brass sights and a shadow pin. The card has a brass rim and is graduated to quarter points with each half-point…

  • Adams, George
    circa 1776
    Mariner's compass

    The compass is housed in a wooden box, with a lid and an internal glass cover to allow the compass to be viewed while in the box. It is a dry card compass, marked with the points but not with…

  • Adams, George
    circa 1766
    Steering compass

    The first major improvement to the mariner's compass came in the mid-18th century with the work of Dr Gowin Knight. In 1745 he invented a method of making strongly magnetic steel bars, and then developed a steel compass needle which…

  • Canivet
    Proportional dividers

    Proportional dividers. Brass with steel points. Black leather outer case.

  • Unknown
    circa 1750
    Parallel rule

    Silver engraved parallel rule

  • Nairne, Edward
    Dip circle

    Dip circle or dipping needle, made of brass with gold pivots encased in copper. The needle is 12 inches (30.5 cm) long, and the circular scale is graduated quadrantally to 30 minutes. A dip circle measures the vertical component of…

  • Heath & Wing
    circa 1760
    Air thermometer

    Air thermometer Scale 0 deg to 130 deg F. Ivory scale mounting Sharkskin case

  • Adams, George
    circa 1760

    Silvered brass scale in a glazed mahogany case. Width 2" (5.1 cm) Case 21.25" x 2.25" (54.0 cm x 5.7 cm) Graduated -5deg to 212 deg F.

  • Dollond & Aitchison
    circa 1780

    Silvered brass scale in a glazed marogany case. Width 2" (5.1 cm) Graduated -7 deg to 220 deg F. Case 22" x 3.75" (55.9 cm x 9.5 cm)

  • Dollond & Aitchison
    circa 1785

    The sextant has a black-lacquered brass diamond-pattern frame with a wooden handle. The tangent screw and clamping screw are located on the back of the index arm. The sextant has three shades, two red and one green, and three horizon…

  • Ramsden, Jesse
    circa 1772

    The sextant has a polished brass frame and limb with a wooden handle. The tangent screw, with its knob missing, is located on the front of index arm and the clamping screw is on the back. The lower part of…

  • Unknown
    circa 1800

    Surveyors chain of iron links 8 inches in length. Every 6 1/2 ft there are brass markers. The Imperial length (by conversion from that stated below) is 71 ft 6 ins.

  • Unknown
    circa 1790

    Telescope-8.55 (21.7cm) long, O.G. 0.8 (2cm) dia. Inverting (with cross wires) fitted with O.G. lens shutter. A spirit level in a brass casing 4.75" ( 12.1cm) long is attached to the underside of telescope by two broad brass bands. Stand-the…

  • Adams, George
    circa 1780

    Table-16 x 13.5 x 0.75" (40.6 x 34.3 x 1.9cm). Wood with brass tripod mounting socket attached at centre of underside. Compass-Dia. of bowl 5" (12.7cm). Wood frame which attaches to side of table. Paper card graduated to 32 points…

  • Sisson, Jonathan

    Theodolite in an octagonal wooden box. Base- Diameter 6.5" (16.5cm) is graduated 0-180 by 1 degree in each half, with three verniers, each marked to 30.It is fitted with two knobs, one to turn the instrument in azimuth, the other…

  • Watkins & Smith
    circa 1765

    Telescopic sight mounted on vertical rack having a work scale of 90° - 0° - 90° with vernier reading (sliding secondary scale) to 5'. Horizontal scale 0° - 360°. Also has compass and bubble (spirit) level. Original octagonal mahogany box.

  • Nairne & Blunt
    Naval telescope

    This achromatic telescope has a tapering mahogany barrel and a single brass draw tube. The other brass fittings include a pivoted eyepiece cover and a brass objective lens cap attached to the barrel collar with a chain. There is also…

  • Hodges, William
    The 'Resolution' in the Marquesas, 1774

    The landscape painter William Hodges, who trained under Richard Wilson, accompanied Captain Cook on his second voyage to the South Pacific 1772-75 with a brief to record the places visited. While some of the smaller of his remarkable landscape paintings…

  • Shelton, John
    circa 1769
    Astronomical regulator

    A one-month duration mahogany longcase regulator by John Shelton, London, circa 1769. The movement is of typical Graham/Shelton form with chamfered corners to the tall plates which are united by six latched knopped pillars. The five wheel train is driven…