FR747394A - Logarithmic machine to calculate - Google Patents

Logarithmic machine to calculate

Info

Publication number
FR747394A
FR747394A FR747394DA FR747394A FR 747394 A FR747394 A FR 747394A FR 747394D A FR747394D A FR 747394DA FR 747394 A FR747394 A FR 747394A
Authority
FR
France
Prior art keywords
logarithmic
calculate
machine
logarithmic machine
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
Pol Ravigneaux
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 FR747394A publication Critical patent/FR747394A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR747394D 1932-12-10 1932-12-10 Logarithmic machine to calculate Expired FR747394A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR747394T 1932-12-10

Publications (1)

Publication Number Publication Date
FR747394A true FR747394A (en) 1933-06-15

Family

ID=9147941

Family Applications (1)

Application Number Title Priority Date Filing Date
FR747394D Expired FR747394A (en) 1932-12-10 1932-12-10 Logarithmic machine to calculate

Country Status (1)

Country Link
FR (1) FR747394A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454987A (en) * 1947-06-04 1948-11-30 Bradner Donald Byal Calculating machine
US2710142A (en) * 1946-08-13 1955-06-07 George R Stibitz Film type of slide rule

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2710142A (en) * 1946-08-13 1955-06-07 George R Stibitz Film type of slide rule
US2454987A (en) * 1947-06-04 1948-11-30 Bradner Donald Byal Calculating machine

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