FR339729A - Mechanical calculators - Google Patents

Mechanical calculators

Info

Publication number
FR339729A
FR339729A FR339729DA FR339729A FR 339729 A FR339729 A FR 339729A FR 339729D A FR339729D A FR 339729DA FR 339729 A FR339729 A FR 339729A
Authority
FR
France
Prior art keywords
mechanical calculators
calculators
mechanical
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
Francis James Anderson
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 FR339729A publication Critical patent/FR339729A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
    • G06G1/10—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR339729D 1903-10-21 1904-01-20 Mechanical calculators Expired FR339729A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB339729X 1903-10-21

Publications (1)

Publication Number Publication Date
FR339729A true FR339729A (en) 1904-06-17

Family

ID=1388889

Family Applications (1)

Application Number Title Priority Date Filing Date
FR339729D Expired FR339729A (en) 1903-10-21 1904-01-20 Mechanical calculators

Country Status (1)

Country Link
FR (1) FR339729A (en)

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