Rare low voltage electrical alarm thermometer by Negretti & Zambra, London c1890 - £475

A rare pattern cased lacquered brass aneroid pocket barometer No 17479 and thermometer travel compendium by Negretti & Zambra, London c1940 - £650

A very good original Campbell-Stokes Sunshine Recorder, Temperate Zones, Mk IIIC No 8339 for latitudes 45° - 65° by Casella, London c1960 - £825

A very rare antique silver Immisch patent volute tube or avitreous skin thermometer no 1196 retailed by Krohne & Sesemann, London c1881 - £650

A very unusual French tourist or travellers pocket barometer, compass, thermometer and clock compendium retailed by Hazebroucq, Paris, c1900 - £1200

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

A transparent Art Deco cream and lacquered brass desk barometer, thermometer and hygrometer compendium by Lufft, Germany, c1935 - £450

A scarce and large early Rototherm bimetallic wall thermometer c1932 - £275

A possibly unique, cased and finely executed cast brass miniature sectionalised model Pulsometer Steam Pump c1905 - £1250

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

A very good Victorian cased lacquered brass parallel rolling chart table rule by T. Cooke & Sons Ltd, London & York, c1870 - £145