A fine, substantial silver-cased pocket barometer by Negretti & Zambra, case by Mappin & Webb, retailed by Lennie, c1927 - £1500

A good silver compendium comprising pocket barometer, compass and thermometer in original fitted case, retailed by J.C. Cairns, Portsmouth, c1892 - £1800

A very good scarce silver cased pocket barometer with thermometer by Thornhill c1899 bearing a viscounts coronet - £1850

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

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

A good French silver pocket barometer, altimeter and compass compendium, probably by Maxant, c1895 - £795

An exceptional Royal presentation silver pocket barometer compendium by Alfred Clark, London, with movement by Negretti & Zambra, c1900

A fine antique first quality English silver-cased pocket barometer altimeter by J Hicks, London, No 7702, case by Albert Thomas Oliver, c1905 - £750