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FR325099A - Improvements to secondary compasses - Google Patents

Improvements to secondary compasses

Info

Publication number
FR325099A
FR325099A FR325099DA FR325099A FR 325099 A FR325099 A FR 325099A FR 325099D A FR325099D A FR 325099DA FR 325099 A FR325099 A FR 325099A
Authority
FR
France
Prior art keywords
compasses
secondary compasses
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)
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.)
Siemens and Halske AG
Original Assignee
Siemens and Halske AG
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 Siemens and Halske AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR325099A publication Critical patent/FR325099A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR325099D 1902-07-30 1902-07-30 Improvements to secondary compasses Expired FR325099A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR325099T 1902-07-30

Publications (1)

Publication Number Publication Date
FR325099A true FR325099A (en) 1903-04-18

Family

ID=1375288

Family Applications (1)

Application Number Title Priority Date Filing Date
FR325099D Expired FR325099A (en) 1902-07-30 1902-07-30 Improvements to secondary compasses

Country Status (1)

Country Link
FR (1) FR325099A (en)

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