FR537788A - Cercle à calcul - Google Patents

Cercle à calcul

Info

Publication number
FR537788A
FR537788A FR537788DA FR537788A FR 537788 A FR537788 A FR 537788A FR 537788D A FR537788D A FR 537788DA FR 537788 A FR537788 A FR 537788A
Authority
FR
France
Prior art keywords
calculating circle
circle
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
English (en)
Inventor
Frederic Feral
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 filed Critical
Application granted granted Critical
Publication of FR537788A publication Critical patent/FR537788A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand-manipulated computing devices
    • G06G1/0005—Hand-manipulated computing devices characterised by a specific application
    • G06G1/0026—Hand-manipulated computing devices characterised by a specific application for machining

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR537788D 1921-02-18 1921-02-18 Cercle à calcul Expired FR537788A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR537788T 1921-02-18

Publications (1)

Publication Number Publication Date
FR537788A true FR537788A (fr) 1922-05-30

Family

ID=8927753

Family Applications (1)

Application Number Title Priority Date Filing Date
FR537788D Expired FR537788A (fr) 1921-02-18 1921-02-18 Cercle à calcul

Country Status (1)

Country Link
FR (1) FR537788A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023954A (en) * 1957-09-26 1962-03-06 Harlan A Gurney Calculating device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023954A (en) * 1957-09-26 1962-03-06 Harlan A Gurney Calculating device

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