Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,419 pages of information and 211,648 images on early companies, their products and the people who designed and built them.
of 1 Green Terrace, Rosebery Avenue, London, EC1. Telephone: Clerkenwell 2030. T.A.: "Gasthermo, Smith, London"
1929 Advert as Thermometer Manufacturers. For Research and Industrial requirements. Standard Thermometers made to order, covering over a range from minus 200° C. to plus 500° C. National Physical Laboratory Certificates supplied with any range. (Scientific Section - Stand No. O.20)