GB190612257A - Improvements in Electric Arc Lamps. - Google Patents

Improvements in Electric Arc Lamps.

Info

Publication number
GB190612257A
GB190612257A GB190612257DA GB190612257A GB 190612257 A GB190612257 A GB 190612257A GB 190612257D A GB190612257D A GB 190612257DA GB 190612257 A GB190612257 A GB 190612257A
Authority
GB
United Kingdom
Prior art keywords
electric arc
arc lamps
resistance
davy
mica
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
William James Davy
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 GB190612257A publication Critical patent/GB190612257A/en
Expired legal-status Critical Current

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Abstract

12,257. Davy, W. J. May 25. Resistance coils.-An arc-lamp resistance consists of a coil t enclosed in an annular covered box u lined with mica.
GB190612257D 1906-05-25 1906-05-25 Improvements in Electric Arc Lamps. Expired GB190612257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190612257T 1906-05-25

Publications (1)

Publication Number Publication Date
GB190612257A true GB190612257A (en) 1908-06-18

Family

ID=32545542

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190612257D Expired GB190612257A (en) 1906-05-25 1906-05-25 Improvements in Electric Arc Lamps.

Country Status (1)

Country Link
GB (1) GB190612257A (en)

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