FR412445A - Machine à additionner ou à calculer - Google Patents

Machine à additionner ou à calculer

Info

Publication number
FR412445A
FR412445A FR412445DA FR412445A FR 412445 A FR412445 A FR 412445A FR 412445D A FR412445D A FR 412445DA FR 412445 A FR412445 A FR 412445A
Authority
FR
France
Prior art keywords
calculating machine
calculating
machine
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
English (en)
Inventor
Walter Henry Browning
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
Application granted granted Critical
Publication of FR412445A publication Critical patent/FR412445A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00—Input mechanisms
    • G06C7/02—Keyboards
    • G06C7/08—Keyboards with one set of keys for all denominations, e.g. ten-key board

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR412445D 1908-12-10 1909-12-03 Machine à additionner ou à calculer Expired FR412445A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB412445X 1908-12-10

Publications (1)

Publication Number Publication Date
FR412445A true FR412445A (fr) 1910-07-12

Family

ID=1456308

Family Applications (1)

Application Number Title Priority Date Filing Date
FR412445D Expired FR412445A (fr) 1908-12-10 1909-12-03 Machine à additionner ou à calculer

Country Status (1)

Country Link
FR (1) FR412445A (fr)

Similar Documents

Publication Publication Date Title
FR412445A (fr) Machine à additionner ou à calculer
FR387634A (fr) Machine à additionner
FR400314A (fr) Machine à additionner
FR9226E (fr) Machine à additionner
FR396747A (fr) Machine à calculer
FR394973A (fr) Machine à hacher
FR393141A (fr) Perfectionnements apportés aux machines à calculer
CH45508A (fr) Machine à mesurer, perfectionné
FR395745A (fr) Machine à cryptographier
CH41136A (fr) Décamètre à coulisses
FR405821A (fr) Machine à écrire
FR392203A (fr) Guichet
FR394475A (fr) Jauge
FR404176A (fr) Machine ou frappeur à air comprimé
FR386139A (fr) Machine à traire
FR406133A (fr) Machine à mesurer perfectionnée
FR397410A (fr) Machine à vapeur
FR12410E (fr) Machine à vapeur
FR10991E (fr) Machine à travailler les cuirs
FR390610A (fr) Machine à travailler les cuirs
FR386055A (fr) Demi-décamètre à coulisses
FR392338A (fr) Machine à scier
FR401622A (fr) Machine à empaqueter
FR398704A (fr) Machine à empaqueter
FR397952A (fr) Seau à traire perfectionné