FR53874E - Calculating device - Google Patents

Calculating device

Info

Publication number
FR53874E
FR53874E FR53874DA FR53874E FR 53874 E FR53874 E FR 53874E FR 53874D A FR53874D A FR 53874DA FR 53874 E FR53874 E FR 53874E
Authority
FR
France
Prior art keywords
calculating device
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
French (fr)
Inventor
Jacques Dietrichs
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 FR53874E publication Critical patent/FR53874E/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
    • G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR53874D 1945-08-09 1945-08-09 Calculating device Expired FR53874E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR53874T 1945-08-09

Publications (1)

Publication Number Publication Date
FR53874E true FR53874E (en) 1947-01-10

Family

ID=8688343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR53874D Expired FR53874E (en) 1945-08-09 1945-08-09 Calculating device

Country Status (1)

Country Link
FR (1) FR53874E (en)

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