A fine silver travel barometer retailed by JC Vickery of Regent Street, London with case by Gourdel Vales c1900 - £1450

A scarce good quality oak-cased five glass drum barograph and barometer by Short & Mason No H 5431, marked 'Tycos' - £1650

A very rare French Atmos Barometer, made for the English market, c1875, a fascinating commentary on the development of aneroid barometers - £1700

An exceptional French scientific pocket barometer altimeter retailed by Chevalier, Paris c1890 - £575

A very fine silver pocket barometer compendium comprising barometer, thermometer & compass by Edward H Stockwell, retailed by Albert Clark, 20 Old Bond St, London c1888 - £2250

A very good compensated silver hunter cased pocket barometer retailed by Aitchison & Co, case by Albert Thomas Oliver, c1905

A very rare, substantial and attractive wind direction indicator with 12" dial by Negretti & Zambra, London, c1910 - £4750

A rare silver-cased bimetallic pocket thermometer by Johann Holtzman, Vienna c1850 - £1300

A high quality leather cased travelling compendium comprising aneroid pocket barometer, compass and thermometer c1890 - £950

A fine gilt brass Edwardian French clock, aneroid barometer and thermometer desk compendium retailed by Edouard Henry Dreyfous, Paris, London and New York, c1910 - £1850

A very beautiful hand-decorated compass makers nautical pattern in ebonised and gilded display case - £750

A fine lacquered brass box sextant by Gardner & Co, Buchanan Street, Glasgow in original leather case c1879 - £365

A very rare and highly significant mahogany cased aneroid barometer by Edward J. Dent, London, No 22720, c1860 - £775

A very good early gilt brass pocket barometer altimeter by Negretti & Zambra No 801 c1866 - £325

A Fishermans Aneroid Barometer by Dollond, London, issued by the Royal National Life Boat Institution, c1890 - £495

A rare lacquered brass aneroid mountain barometer altimeter retailed by Horne & Thornthwaite, London, c1862 - £950

A very good lacquered brass pocket barometer altimeter by Ross for James J. Hicks, London, No 5348 c1870 - £320

A fine gilt brass desk weather station comprising an aneroid barometer and thermometer by Dollond, London No 2451 c1885 - £1600

A very good gilt and lacquered brass Surveying Aneroid pocket barometer by James J. Hicks, London, No 10605 c1910 - £395

Very rare gilt brass Stormoguide pocket barometer by Short & Mason No L59139 c1925 in original leather pouch - £450