GB190621513A - Process and Apparatus for the Treatment of Metallic Tungsten and for the Manufacture of Electric Lamp Filaments therefrom - Google Patents

Process and Apparatus for the Treatment of Metallic Tungsten and for the Manufacture of Electric Lamp Filaments therefrom

Info

Publication number
GB190621513A
GB190621513A GB190621513DA GB190621513A GB 190621513 A GB190621513 A GB 190621513A GB 190621513D A GB190621513D A GB 190621513DA GB 190621513 A GB190621513 A GB 190621513A
Authority
GB
United Kingdom
Prior art keywords
manufacture
treatment
electric lamp
metallic tungsten
lamp filaments
Prior art date
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
Inventor
British Thomson Houston Company Ltd The
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190621513A publication Critical patent/GB190621513A/en
Expired legal-status Critical Current

Links

GB190621513D 1906-09-28 1906-09-28 Process and Apparatus for the Treatment of Metallic Tungsten and for the Manufacture of Electric Lamp Filaments therefrom Expired GB190621513A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190621513T 1906-09-28

Publications (1)

Publication Number Publication Date
GB190621513A true GB190621513A (en) 1907-09-26

Family

ID=43804647

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190621513D Expired GB190621513A (en) 1906-09-28 1906-09-28 Process and Apparatus for the Treatment of Metallic Tungsten and for the Manufacture of Electric Lamp Filaments therefrom

Country Status (1)

Country Link
GB (1) GB190621513A (en)

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