FR1027193A - Device for the visual materialization of variations in a quantity - Google Patents

Device for the visual materialization of variations in a quantity

Info

Publication number
FR1027193A
FR1027193A FR1027193DA FR1027193A FR 1027193 A FR1027193 A FR 1027193A FR 1027193D A FR1027193D A FR 1027193DA FR 1027193 A FR1027193 A FR 1027193A
Authority
FR
France
Prior art keywords
variations
materialization
visual
visual materialization
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
Pierre-Georges Bugnon
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 FR1027193A publication Critical patent/FR1027193A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/02—Counting; Calculating
FR1027193D 1950-11-03 1950-11-03 Device for the visual materialization of variations in a quantity Expired FR1027193A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1027193T 1950-11-03

Publications (1)

Publication Number Publication Date
FR1027193A true FR1027193A (en) 1953-05-08

Family

ID=9580515

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1027193D Expired FR1027193A (en) 1950-11-03 1950-11-03 Device for the visual materialization of variations in a quantity

Country Status (1)

Country Link
FR (1) FR1027193A (en)

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