GB608816A - Improvement in record card reproducing machines - Google Patents

Improvement in record card reproducing machines

Info

Publication number
GB608816A
GB608816A GB6457/46A GB645746A GB608816A GB 608816 A GB608816 A GB 608816A GB 6457/46 A GB6457/46 A GB 6457/46A GB 645746 A GB645746 A GB 645746A GB 608816 A GB608816 A GB 608816A
Authority
GB
United Kingdom
Prior art keywords
cards
data
card
relays
brushes
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
GB6457/46A
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.)
British Tabulating Machine Co Ltd
Original Assignee
British Tabulating Machine 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 Tabulating Machine Co Ltd filed Critical British Tabulating Machine Co Ltd
Publication of GB608816A publication Critical patent/GB608816A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/082—Compounds containing nitrogen and non-metals and optionally metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Conveying Record Carriers (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
GB6457/46A 1945-03-02 1946-03-01 Improvement in record card reproducing machines Expired GB608816A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US580668A US2398038A (en) 1945-03-02 1945-03-02 Record reproducing machine

Publications (1)

Publication Number Publication Date
GB608816A true GB608816A (en) 1948-09-21

Family

ID=24322035

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6457/46A Expired GB608816A (en) 1945-03-02 1946-03-01 Improvement in record card reproducing machines

Country Status (4)

Country Link
US (1) US2398038A (en:Method)
FR (1) FR1030551A (en:Method)
GB (1) GB608816A (en:Method)
NL (1) NL93791C (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL112881C (en:Method) * 1953-08-27

Also Published As

Publication number Publication date
FR1030551A (fr) 1953-06-15
US2398038A (en) 1946-04-09
NL93791C (en:Method)

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