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A THERMO-BAROGRAPH BY NEGRETTI & ZAMBRA, LONDON, CIRCA 1960signed on lacquered brass plate as per title, dual arms inscribed Thermograph / Barograph, recording drum with clockwork motor, mounted within light oak case with chart drawer and bevelled glass cover -- 14½in. (37cm.) diameter; together with a 6½in. radius sextant by E. R. Watts & Son, London, No. 172, with green painted brass frame, contained in box with accessories -- 10½in. (27cm.)(2)Barograph clockwork motor running well, barograph movement defective, both ink pans corroded.
An assembled group of scientific instruments to include: A Short & Mason copper-cased 'travel' thermograph, retailed by F.Dalmau of Barcelona, 26cm wide x 15cm high; a Weston watt meter, model 310, in walnut case; two War Department voltmeters; a mid-20th century voltmeter, amp meter and a wood-cased transformer (a lot).Watt meter: Case has some cosmetic marks and wear consistent with use. Meter appears intact, again with some signs of use. Not tested.Volt meters: Both intact. Indices fair to good. Cases have typical signs of use. Not tested. Case has multiple surface marks, spotting and tarnishing. movement winds and runs. Not tested.
An early 20th century walnut cased barograph, Negretti & Zambra, London, with eight-tier bellows, lacquered brass, contained within a plain three-glass case with metal carrying handle, raised on a plain plinth, 29cm wide x 13.5cm deep x 16.5cm high. together with a copper-cased marine type thermograph, 27cm wide x 13cm deep x 16cm high. (2)
Thermograph, manufacturer Brevetes Paris, model/serial number 160112, France ca. 1920/30, h. 23, wd. 35, d. 13 cm. (key missing)Thermograaf, schrijvende thermometer Fabrikant Brevetes Parijs model/ serie nummer 160112, Frankrijk ca. 1920/30, h. 23, br. 35, d. 13 cm. (sleutel mist) Een thermograaf die zowel de omgeving temperatuur als de natte bol temperatuur meet en registreerd. Natte bol temperatuur is de laagste temperatuur die een nat voorwerp, dat zich in een luchtstroom bevindt, krijgt ten gevolge van het verdampen van het aanklevende water. Door deze temperatuur te vergelijken met de gewone temperatuur kan de luchtvochtigheid worden bepaald. Klok mechanisme op schrijfrol werkt.
A Darton enamelled copper cased thermograph, Serial No. 6338, with hinged cover and clockwork recording drum, length 28cm.Buyer’s Premium 29.4% (including VAT @ 20%) of the hammer price. Lots purchased online via the-saleroom.com will attract an additional premium of 6% (including VAT @ 20%) of the hammer price.
Sale Item: ITEM PROBABLY A THERMOGRAPH BUT SOLD AS SEEN Vat Status: No Vat Buyers Premium: This lot is subject to a Buyers Premium of 15% + Vat @ 20% Additional Info : Lots purchased online with the-saleroom.com will attract an additional charge for this service in the sum of 4.95% of the hammer price plus VAT @ 20%
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219 item(s)/page