FR1277E - Improvements in calculating machines - Google Patents

Improvements in calculating machines

Info

Publication number
FR1277E
FR1277E FR1277DA FR1277E FR 1277 E FR1277 E FR 1277E FR 1277D A FR1277D A FR 1277DA FR 1277 E FR1277 E FR 1277E
Authority
FR
France
Prior art keywords
calculating machines
machines
calculating
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
Wales Charles
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 FR1277E publication Critical patent/FR1277E/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
    • G06C7/00—Input mechanisms
    • G06C7/02—Keyboards
    • G06C7/06—Keyboards with one set of keys for each denomination

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR1277D 1902-09-29 1902-12-20 Improvements in calculating machines Expired FR1277E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR325849T 1902-09-29
FR1277T 1902-12-20

Publications (1)

Publication Number Publication Date
FR1277E true FR1277E (en) 1903-07-01

Family

ID=1343284

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1277D Expired FR1277E (en) 1902-09-29 1902-12-20 Improvements in calculating machines

Country Status (1)

Country Link
FR (1) FR1277E (en)

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