FR921876A - Règle à calcul - Google Patents

Règle à calcul

Info

Publication number
FR921876A
FR921876A FR921876DA FR921876A FR 921876 A FR921876 A FR 921876A FR 921876D A FR921876D A FR 921876DA FR 921876 A FR921876 A FR 921876A
Authority
FR
France
Prior art keywords
slide rule
rule
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
Jean Meyer
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 FR921876A publication Critical patent/FR921876A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06GANALOGUE COMPUTERS
    • G06G1/00Hand manipulated computing devices
    • G06G1/0005Hand manipulated computing devices characterised by a specific application
    • G06G1/0068Hand manipulated computing devices characterised by a specific application for conversion from one unit system to another, e.g. from British to metric

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR921876D 1945-12-08 1945-12-08 Règle à calcul Expired FR921876A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR921876T 1945-12-08

Publications (1)

Publication Number Publication Date
FR921876A true FR921876A (fr) 1947-05-21

Family

ID=9437637

Family Applications (1)

Application Number Title Priority Date Filing Date
FR921876D Expired FR921876A (fr) 1945-12-08 1945-12-08 Règle à calcul

Country Status (1)

Country Link
FR (1) FR921876A (fr)

Similar Documents

Publication Publication Date Title
FR932048A (fr) Télescope
FR951281A (fr) Machine à calculer
FR911042A (fr) écrin
FR921876A (fr) Règle à calcul
FR918228A (fr) Règle à calcul spéciale
FR922103A (fr) Séchoir à cheveux
FR908196A (fr) Règle à calcul
FR912337A (fr) Règle à calculs multiples
FR929966A (fr) Règle à calculs
FR998525A (fr) Pansement à application instantanée
FR926946A (fr) Clé à écrous
FR930138A (fr) Mécanisme à engrenages
FR994123A (fr) Règle à calcul extensible
FR920859A (fr) épingle à cheveu
FR915389A (fr) Semoir à main
FR909919A (fr) Perfectionnement apporté aux règles à calcul
FR995467A (fr) Totalisateur à soustraction
FR994804A (fr) Séchoir à cheveux
FR909680A (fr) Jumelles
FR930736A (fr) Appareil à lubrifier
FR947933A (fr) Instrument à écrire
FR921476A (fr) Métier à tisser main
FR936771A (fr) Compteur à prédétermination
FR919575A (fr) Cadran à curseur
FR912980A (fr) Objet à main