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Title
Improvements relating to circuit arrangements for electric discharge lamps' by H W Cumming Patent Application No. 20150/47
Reference
UK0108 SC MSS 135/C/09
Date
1947
Physical description
Number of pieces: 1
Language
English.
Persons keyword
Cumming H W
Conditions governing access
Open access
Level of description
file

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110000003
Special Collection Manuscripts
contains 321 parts
- UK0108 SC MSS 135
  Papers of J N Aldington
  contains 11 parts
  - UK0108 SC MSS 135/C
    Patents
    contains 53 parts
    
    UK0108 SC MSS 135/C/09
    Improvements relating to circuit arrangements for electric discharge lamps' by H W Cumming Patent Application No. 20150/47

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