GB705491A - Calculating machine - Google Patents

Calculating machine

Info

Publication number
GB705491A
GB705491A GB27611/49A GB2761149A GB705491A GB 705491 A GB705491 A GB 705491A GB 27611/49 A GB27611/49 A GB 27611/49A GB 2761149 A GB2761149 A GB 2761149A GB 705491 A GB705491 A GB 705491A
Authority
GB
United Kingdom
Prior art keywords
contacts
key
lever
digit
magnet
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
GB27611/49A
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.)
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
Publication of GB705491A publication Critical patent/GB705491A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/46—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using electromechanical counter-type accumulators
    • G06F7/462—Multiplying; dividing
    • G06F7/463—Multiplying; dividing by successive additions or subtractions

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
GB27611/49A 1948-10-30 1949-10-27 Calculating machine Expired GB705491A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH705491X 1948-10-30

Publications (1)

Publication Number Publication Date
GB705491A true GB705491A (en) 1954-03-17

Family

ID=4530346

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27611/49A Expired GB705491A (en) 1948-10-30 1949-10-27 Calculating machine

Country Status (5)

Country Link
BE (1) BE491855A (de)
CH (1) CH278040A (de)
FR (1) FR998177A (de)
GB (1) GB705491A (de)
NL (1) NL149647B (de)

Also Published As

Publication number Publication date
CH278040A (fr) 1951-09-30
BE491855A (de)
FR998177A (fr) 1952-01-15
NL149647B (nl)

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