FR363158A - Calculator with two-part rotating rulers and scrolling table showing the thousand - Google Patents

Calculator with two-part rotating rulers and scrolling table showing the thousand

Info

Publication number
FR363158A
FR363158A FR363158DA FR363158A FR 363158 A FR363158 A FR 363158A FR 363158D A FR363158D A FR 363158DA FR 363158 A FR363158 A FR 363158A
Authority
FR
France
Prior art keywords
calculator
thousand
table showing
part rotating
rulers
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
Anton Schlager
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of FR363158A publication Critical patent/FR363158A/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

Landscapes

  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR363158D 1906-01-05 1906-01-05 Calculator with two-part rotating rulers and scrolling table showing the thousand Expired FR363158A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR363158T 1906-01-05

Publications (1)

Publication Number Publication Date
FR363158A true FR363158A (en) 1906-07-23

Family

ID=1410596

Family Applications (1)

Application Number Title Priority Date Filing Date
FR363158D Expired FR363158A (en) 1906-01-05 1906-01-05 Calculator with two-part rotating rulers and scrolling table showing the thousand

Country Status (1)

Country Link
FR (1) FR363158A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2835053A (en) * 1954-10-18 1958-05-20 Dolores B Gales Educational device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2835053A (en) * 1954-10-18 1958-05-20 Dolores B Gales Educational device

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