FR976898A - Perfectionnements aux règles à calcul - Google Patents

Perfectionnements aux règles à calcul

Info

Publication number
FR976898A
FR976898A FR976898DA FR976898A FR 976898 A FR976898 A FR 976898A FR 976898D A FR976898D A FR 976898DA FR 976898 A FR976898 A FR 976898A
Authority
FR
France
Prior art keywords
slide rules
rules
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
Other languages
English (en)
Inventor
Georges-Andre Baudoin
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 FR976898A publication Critical patent/FR976898A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand-manipulated computing devices
    • G06G1/02—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)
FR976898D 1948-10-25 1948-10-25 Perfectionnements aux règles à calcul Expired FR976898A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR976898T 1948-10-25

Publications (1)

Publication Number Publication Date
FR976898A true FR976898A (fr) 1951-03-23

Family

ID=9519214

Family Applications (1)

Application Number Title Priority Date Filing Date
FR976898D Expired FR976898A (fr) 1948-10-25 1948-10-25 Perfectionnements aux règles à calcul

Country Status (1)

Country Link
FR (1) FR976898A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1135686B (de) * 1953-12-29 1962-08-30 Faber Castell A W Doppelrechenstab

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1135686B (de) * 1953-12-29 1962-08-30 Faber Castell A W Doppelrechenstab

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