FR501253A - Improvements in calculating machines - Google Patents

Improvements in calculating machines

Info

Publication number
FR501253A
FR501253A FR501253A FR501253DA FR501253A FR 501253 A FR501253 A FR 501253A FR 501253 A FR501253 A FR 501253A FR 501253D A FR501253D A FR 501253DA FR 501253 A FR501253 A FR 501253A
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
FR501253A
Other languages
French (fr)
Inventor
Nils Martinius Bjornsson
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.)
NILS MARTINIUS BJOERNSSON
Original Assignee
NILS MARTINIUS BJOERNSSON
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 NILS MARTINIUS BJOERNSSON filed Critical NILS MARTINIUS BJOERNSSON
Application granted granted Critical
Publication of FR501253A publication Critical patent/FR501253A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/14—Hand manipulated computing devices in which a straight or curved line has to be drawn from given points on one or more input scales to one or more points on a result scale

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR501253A 1918-12-10 1919-07-02 Improvements in calculating machines Expired FR501253A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO501253X 1918-12-10

Publications (1)

Publication Number Publication Date
FR501253A true FR501253A (en) 1920-04-08

Family

ID=19904254

Family Applications (1)

Application Number Title Priority Date Filing Date
FR501253A Expired FR501253A (en) 1918-12-10 1919-07-02 Improvements in calculating machines

Country Status (1)

Country Link
FR (1) FR501253A (en)

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