We specialise in the more decorative scientific instruments which can make interesting focal points in the modern home.
Delivery of scientific instruments is free in England and Wales and we will be pleased to arrange packing and shipping of any item, to anywhere in the world. We also have some good books for sale on barometers and barographs and also on sundials.Last updated 1 January 2012 |
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 | Thomas Blunt, London c1810
A George III, 8 inches diameter, bronze horizontal sundial engraved with the maker's name T Blunt Cornhill, London.
The centre of the dial is engraved with an 8-point compass rose and the Latin motto Tempus Ager meus (time is my field).
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 | Negretti & Zambra, London
A boxwood pocket sundial signed on the compass dial paper Negretti & Zambra, London. Dials of this type are known as diptych dials. This dial dates from the second half of the 19th century.
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 | Richard & Henry Frankham, London c1845
A mahogany bow-front stick barometer with thermometer, signed on the silvered register plates Frankham 12 Wilson Stt Grays Inn Rd London.
The barometer has a boxwood cistern; the scale is calibrated from 27 to 31 inches of mercury and is fitted with a vernier operated by a bone knob. The mahogany veneered case which conceals the tube has a turned and ebonised cistern cover and curved glass over the pressure and temperature scales.
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 | C. W. Dixey & Son, London c1920
An 8-day barograph in an oak case with a chart drawer below. The barograph is engraved for the retailer C. W. Dixey & Son Opticians to the King 3 New Bond St London W.
The barograph is complete with glass ink bottle and dipper, and a year's supply of charts.
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 | Thomas Blunt, London c1800
A George III, 12 inches diameter, bronze horizontal sundial engraved with the maker's name T Blunt Cornhilll, London.
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 | J.B. Dancer, Manchester c1860
A scientific barometer on the Fortin principle signed on the silvered scale J.B. Dancer, Optician, Manchester No. 282.
The instrument has a black painted tube with a thermometer mounted on the front.
The barometer scale reads from 27 to 32.5 inches of mercury, the thermometer scale from 25 to 110 degrees Fahrenheit.
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 | English Scientific Barometer c1850
A rare mid-nineteenth century scientific barometer with a large diameter tube and a movable scale so that the zero position may be accurately set to the level of mercury in the short limb.
The barometer and a thermometer are mounted on a mahogany backboard.
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 | John Trotter Ltd, Glasgow & Edinburgh c1930
An 8-day barograph in an oak case with chart drawer below.
The barograph is engraved for the retailer John Trotter Ltd 40, Gordon St. Glasgow. 100, George St. Edinburgh.
The barograph is complete with its original glass ink bottle and dipper, and a year’s supply of charts.
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 | George Stebbing, Portsmouth c1840
A George IV mahogany marine mercury barometer with thermometer and its original brass gimbals mounting; signed on the silvered register plates Geo,, Stebbing Portsmouth Optician &c to her Majesty.
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