FR420998A - Improvements to railway indicator guides - Google Patents

Improvements to railway indicator guides

Info

Publication number
FR420998A
FR420998A FR420998DA FR420998A FR 420998 A FR420998 A FR 420998A FR 420998D A FR420998D A FR 420998DA FR 420998 A FR420998 A FR 420998A
Authority
FR
France
Prior art keywords
indicator guides
railway
railway indicator
guides
indicator
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
William Best Harris
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 FR420998A publication Critical patent/FR420998A/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
    • G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
    • G09B29/02—Maps; Plans; Charts; Diagrams, e.g. route diagram sectional
    • G09B29/04—Maps; Plans; Charts; Diagrams, e.g. route diagram sectional the sections being arranged in the form of a foldable sheet or sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
FR420998D 1910-10-01 1910-10-01 Improvements to railway indicator guides Expired FR420998A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR420998T 1910-10-01

Publications (1)

Publication Number Publication Date
FR420998A true FR420998A (en) 1911-02-11

Family

ID=1464083

Family Applications (1)

Application Number Title Priority Date Filing Date
FR420998D Expired FR420998A (en) 1910-10-01 1910-10-01 Improvements to railway indicator guides

Country Status (1)

Country Link
FR (1) FR420998A (en)

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