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Description: | BAIRD & TATLOCK GLASGOW & LONDON (engraved on makers brass trade plate). GAS STANDARD (stamped on either side of proof mark). Crown above VR above port cullis above 1897 ( Victoria Regina with the date of issue of the proof). 782 (the proof number stamped below the proof mark on the hot water jacket). Crown and VR with 782 (stamped on the calorimeter in twice). BAIRD & TATLOCK LONDON & GLASGOW (printed on the bone thermometer scales). The scale on the thermometer in the hot water jacket reads from 95 to 195 degrees Farenheit. The thermometer in the calorimeter reads from 55 to 160 degrees Farenheit and [the flash point of petroleum marked at 73 degrees]. This thermometer is engraved 782 VR and the scale is marked in ink 782. DES ABEL,Sir,Frederick,Augustus. second half 19th century] Woolich Arsenal, London, England. MANU Baird & Tatlock Glasgow and London 1897 Glasgow or London Scotland or England This is an Abel flash point tester. The spirit was heated by the water jacket until it approached its flashpoint. A jet of air or oxygen was than directed over the aperture in the calorimeter. By moving the slide the vapour would ignite spontaneously when the petroleum was at its flash point. Presumably the then standard was 73 degrees Farenheit. | License: | http://www.hmag.gla.ac.uk/spirit/rights/ | Publisher: | Hunterian Museum and Art Gallery, University of Glasgow | Rights holder: | Hunterian Museum and Art Gallery, University of Glasgow | Subjects: | SCIENTIFIC COLLECTION : | Source: | Hunterian Museum | Creator: | Hunterian Museum and Art Gallery, University of Glasgow | Identifier: | http://www.huntsearch.gla.ac.uk/cgi-bin/... | Language: | en-GB | Go to resource |
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