FR718996A - Improvements to calculating or adding machines - Google Patents

Improvements to calculating or adding machines

Info

Publication number
FR718996A
FR718996A FR718996DA FR718996A FR 718996 A FR718996 A FR 718996A FR 718996D A FR718996D A FR 718996DA FR 718996 A FR718996 A FR 718996A
Authority
FR
France
Prior art keywords
calculating
adding machines
machines
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
Other languages
French (fr)
Inventor
Guy Bazeley Petter
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.)
Petters Ltd
Original Assignee
Petters 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 Petters Ltd filed Critical Petters Ltd
Application granted granted Critical
Publication of FR718996A publication Critical patent/FR718996A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C15/00—Computing mechanisms; Actuating devices therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR718996D 1930-08-01 1931-06-22 Improvements to calculating or adding machines Expired FR718996A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB718996X 1930-08-01

Publications (1)

Publication Number Publication Date
FR718996A true FR718996A (en) 1932-01-30

Family

ID=10494827

Family Applications (1)

Application Number Title Priority Date Filing Date
FR718996D Expired FR718996A (en) 1930-08-01 1931-06-22 Improvements to calculating or adding machines

Country Status (1)

Country Link
FR (1) FR718996A (en)

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