Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB11677/28A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British Thomson Houston Co LtdfiledCriticalBritish Thomson Houston Co Ltd
Publication of GB289030ApublicationCriticalpatent/GB289030A/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Thermistors And Varistors
(AREA)
Non-Insulated Conductors
(AREA)
Abstract
289,030. British Thomson-Houston Co., Ltd., (Assignees of Jones, H. A.). April 20, 1927, [Convention date]. Drawings to Specification. Wire resistances, enclosed.-A ballast resistance of the type comprising a wire in an enclosure containing a gas such as hydrogen or helium at a low pressure is provided with two or more wires of different materials, such as iron and nickel, connected in series, the temperature ranges over which the two wires have a ballast action continuing each other.
GB11677/28A1927-04-201928-04-20Improvements in electric resistances
ExpiredGB289030A
(en)