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FR500663A - Règle à calcul - Google Patents

Règle à calcul

Info

Publication number
FR500663A
FR500663A FR500663A FR500663DA FR500663A FR 500663 A FR500663 A FR 500663A FR 500663 A FR500663 A FR 500663A FR 500663D A FR500663D A FR 500663DA FR 500663 A FR500663 A FR 500663A
Authority
FR
France
Prior art keywords
slide rule
rule
slide
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
FR500663A
Other languages
English (en)
Inventor
Clement Wojcik
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 FR500663A publication Critical patent/FR500663A/fr
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
    • G06G1/12—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation logarithmic graduations, e.g. for multiplication

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR500663A 1919-06-11 1919-06-11 Règle à calcul Expired FR500663A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR500663T 1919-06-11

Publications (1)

Publication Number Publication Date
FR500663A true FR500663A (fr) 1920-03-20

Family

ID=8905230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR500663A Expired FR500663A (fr) 1919-06-11 1919-06-11 Règle à calcul

Country Status (1)

Country Link
FR (1) FR500663A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2959346A (en) * 1956-01-03 1960-11-08 Sinclair Refining Co Combustion calculator
US3135465A (en) * 1962-11-30 1964-06-02 Boeing Co Axonometric computer slide rule

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2959346A (en) * 1956-01-03 1960-11-08 Sinclair Refining Co Combustion calculator
US3135465A (en) * 1962-11-30 1964-06-02 Boeing Co Axonometric computer slide rule

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