FR743290A - - Google Patents

Info

Publication number
FR743290A
FR743290A FR743290DA FR743290A FR 743290 A FR743290 A FR 743290A FR 743290D A FR743290D A FR 743290DA FR 743290 A FR743290 A FR 743290A
Authority
FR
France
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
Publication date
Application granted granted Critical
Publication of FR743290A publication Critical patent/FR743290A/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
    • G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction
    • G06G1/08—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with circular or helical scales
    • G06G1/085—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with circular or helical scales borne by a cylinder

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR743290D Expired FR743290A (fr)

Publications (1)

Publication Number Publication Date
FR743290A true FR743290A (fr) 1933-03-25

Family

ID=1547568

Family Applications (1)

Application Number Title Priority Date Filing Date
FR743290D Expired FR743290A (fr)

Country Status (1)

Country Link
FR (1) FR743290A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511270A (en) * 1946-02-27 1950-06-13 Benedict D Kahan Slide rule

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511270A (en) * 1946-02-27 1950-06-13 Benedict D Kahan Slide rule

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