GB353555A - - Google Patents

Info

Publication number
GB353555A
GB353555A GB1390630A GB1390630A GB353555A GB 353555 A GB353555 A GB 353555A GB 1390630 A GB1390630 A GB 1390630A GB 1390630 A GB1390630 A GB 1390630A GB 353555 A GB353555 A GB 353555A
Authority
GB
United Kingdom
Prior art keywords
envelope
shield
thorium
anodes
deposition
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
GB1390630A
Other languages
English (en)
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.)
Westinghouse Lamp Co
Original Assignee
Westinghouse Lamp Co
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 Westinghouse Lamp Co filed Critical Westinghouse Lamp Co
Publication of GB353555A publication Critical patent/GB353555A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/16—Photoelectric discharge tubes not involving the ionisation of a gas having photo- emissive cathode, e.g. alkaline photoelectric cell

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
GB1390630A 1929-05-06 1930-05-06 Expired GB353555A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US353555X 1929-05-06

Publications (1)

Publication Number Publication Date
GB353555A true GB353555A (cs) 1931-07-30

Family

ID=21882163

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1390630A Expired GB353555A (cs) 1929-05-06 1930-05-06

Country Status (1)

Country Link
GB (1) GB353555A (cs)

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