GB505591A - Improvements in or relating to multiplying machines - Google Patents

Improvements in or relating to multiplying machines

Info

Publication number
GB505591A
GB505591A GB31229/37A GB3122937A GB505591A GB 505591 A GB505591 A GB 505591A GB 31229/37 A GB31229/37 A GB 31229/37A GB 3122937 A GB3122937 A GB 3122937A GB 505591 A GB505591 A GB 505591A
Authority
GB
United Kingdom
Prior art keywords
relay
contacts
multiplier
energized
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
GB31229/37A
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 GB505591A publication Critical patent/GB505591A/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
    • G06F7/466—Multiplying; dividing by successive multiplication or division by 2

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)
  • Testing Of Balance (AREA)
  • Pinball Game Machines (AREA)
GB31229/37A 1936-11-14 1937-11-13 Improvements in or relating to multiplying machines Expired GB505591A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US505591XA 1936-11-14 1936-11-14

Publications (1)

Publication Number Publication Date
GB505591A true GB505591A (en) 1939-05-15

Family

ID=21965948

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31229/37A Expired GB505591A (en) 1936-11-14 1937-11-13 Improvements in or relating to multiplying machines

Country Status (5)

Country Link
BE (1) BE424596A (hr)
DE (1) DE743057C (hr)
FR (1) FR49851E (hr)
GB (1) GB505591A (hr)
NL (1) NL60148C (hr)

Also Published As

Publication number Publication date
DE743057C (de) 1943-12-24
NL60148C (hr) 1947-11-15
BE424596A (hr)
FR49851E (fr) 1939-08-22

Similar Documents

Publication Publication Date Title
US2357455A (en) Accounting machine
GB528973A (en) Improvements in or relating to group-control mechanism for record-controlled statistical machines
GB505591A (en) Improvements in or relating to multiplying machines
GB275251A (en) A machine for the numerical compilation of data from perforated cards
US2859851A (en) Shift functions circuits
US1954041A (en) Billing machine
GB518864A (en) Improvements in or relating to calculating machines
GB445296A (en) Improvements in or relating to printing mechanism applicable to statistical, calculating and like machines
US2016682A (en) Printing mechanism
US2150227A (en) Tabulating machine
US2126621A (en) Tabulating machine
US2173635A (en) Calculating machine
US1812838A (en) Printing mechanism for accounting machines
GB497974A (en) Improvements in or relating to record-card-controlled multiplying machines
US2131226A (en) Tabulating machine
US2138630A (en) Tabulating machine
GB414411A (en) Improvements in or relating to adding and subtracting machines
US2442987A (en) Automatic group control with coordinated sequence checking device
US2138337A (en) Accounting machine
US2110853A (en) Tabulating machine
GB693143A (en) Improvements in or relating to record card controlled bill printing device
GB485103A (en) Improvements in or relating to counters for tabulating and other calculating machines
GB501538A (en) Improvements in or relating to multipling machines
US1723263A (en) Mechanical cashier, adding, and listing machine
US2272450A (en) Tabulating machine