NL5179C - Automatic telephone system - Google Patents

Automatic telephone system

Info

Publication number
NL5179C
NL5179C NL1244A NL1244A NL5179C NL 5179 C NL5179 C NL 5179C NL 1244 A NL1244 A NL 1244A NL 1244 A NL1244 A NL 1244A NL 5179 C NL5179 C NL 5179C
Authority
NL
Netherlands
Prior art keywords
telephone system
automatic telephone
automatic
telephone
Prior art date
Application number
NL1244A
Other languages
Dutch (nl)
Original Assignee
Bell Telephone Manufacturing Co
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 Bell Telephone Manufacturing Co filed Critical Bell Telephone Manufacturing Co
Application granted granted Critical
Publication of NL5179C publication Critical patent/NL5179C/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
    • B62M9/12—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
NL1244A 1911-09-26 1912-09-25 Automatic telephone system NL5179C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191220944T 1911-09-26

Publications (1)

Publication Number Publication Date
NL5179C true NL5179C (en) 1920-08-02

Family

ID=34358588

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1244A NL5179C (en) 1911-09-26 1912-09-25 Automatic telephone system

Country Status (2)

Country Link
GB (1) GB191220944A (en)
NL (1) NL5179C (en)

Also Published As

Publication number Publication date
GB191220944A (en) 1912-10-28

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