GB191406953A - Improvements in Electrical Relay Apparatus. - Google Patents

Improvements in Electrical Relay Apparatus.

Info

Publication number
GB191406953A
GB191406953A GB191406953DA GB191406953A GB 191406953 A GB191406953 A GB 191406953A GB 191406953D A GB191406953D A GB 191406953DA GB 191406953 A GB191406953 A GB 191406953A
Authority
GB
United Kingdom
Prior art keywords
relay apparatus
electrical relay
electrical
relay
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
Inventor
John Gardner
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 GB191406953A publication Critical patent/GB191406953A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
GB191406953D 1914-03-19 1914-03-19 Improvements in Electrical Relay Apparatus. Expired GB191406953A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191406953T 1914-03-19

Publications (1)

Publication Number Publication Date
GB191406953A true GB191406953A (en) 1914-10-01

Family

ID=32374292

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191406953D Expired GB191406953A (en) 1914-03-19 1914-03-19 Improvements in Electrical Relay Apparatus.

Country Status (1)

Country Link
GB (1) GB191406953A (en)

Similar Documents

Publication Publication Date Title
GB191406953A (en) Improvements in Electrical Relay Apparatus.
GB191329448A (en) Improvements in Electrical Relays.
GB191112295A (en) Improvements in Electrical Relays.
GB191402048A (en) Improvements in Lamp-guards.
CA160004A (en) Electric relay apparatus
AU1231514B (en) Improvements in signiling apparatus
GB191411940A (en) Improvements in Electric Signalling Installations.
GB102445A (en) Improvements in Electric Signalling Apparatus.
GB191315097A (en) Improvements in Electric Telegraph Receiving Apparatus of the Selective Type.
GB191321036A (en) Improvements in Telegraphic Receiving Apparatus.
GB191403699A (en) Improvements in Electromagnetic Relays.
AU1408314B (en) Improvements in harness
GB191222129A (en) Improvements in Electrical Protective Apparatus.
GB191327225A (en) Improvements in Electric Telegraphs.
GB191213430A (en) Improvements in Apparatus for Selective Electric Signalling.
AU1366614B (en) Improvements in separating apparatus
AU1500714B (en) Improvements in bottlecaps
AU1701815B (en) Improvements in electrical relays
GB191421766A (en) Electric Concertina.
GB191019972A (en) Improvements in Telewriter Apparatus.
GB191303049A (en) Improvements in Subtracting Devices for Change-giving Apparatus.
AU1231514A (en) Improvements in signiling apparatus
AU1444014B (en) Improvements in telegraphy
AU1486414B (en) Improvements in lifesaving apparatus
GB191310416A (en) Improvements in Electric Motor Control Apparatus.