GB141710A - - Google Patents

Info

Publication number
GB141710A
GB141710A GB141710DA GB141710A GB 141710 A GB141710 A GB 141710A GB 141710D A GB141710D A GB 141710DA GB 141710 A GB141710 A GB 141710A
Authority
GB
United Kingdom
Prior art keywords
line
relay
spring
crank
drum
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.)
Active
Application number
Other languages
English (en)
Publication of GB141710A publication Critical patent/GB141710A/en
Active legal-status Critical Current

Links

Landscapes

  • Devices For Supply Of Signal Current (AREA)
GB141710D Active GB141710A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
GB141710A true GB141710A (enrdf_load_stackoverflow)

Family

ID=1730514

Family Applications (1)

Application Number Title Priority Date Filing Date
GB141710D Active GB141710A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
GB (1) GB141710A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US2230486A (en) Selector mechanism
GB141710A (enrdf_load_stackoverflow)
US2039966A (en) Selector
US2151086A (en) Registering mechanism
US2365284A (en) Remote control mechanism
US1308958A (en) Electric signal-transmitting means
US2368104A (en) Impulse sender for use in telephone or like systems
US2542880A (en) Condition-responsive apparatus for calling preselected telephone numbers
US1577869A (en) Recording instrument
US1218795A (en) Indicating and recording apparatus.
US811052A (en) Telephone-call.
GB501717A (en) Improvements in or relating to telegraph apparatus
US1800240A (en) Call dumber indicator
US2602119A (en) Pay station time signal
DE302064C (enrdf_load_stackoverflow)
GB466301A (enrdf_load_stackoverflow)
US2141785A (en) Telephone mechanism
US948941A (en) Telephone call system.
US1366416A (en) Signaling system
US1201809A (en) Printing-telegraph receiver.
US2172231A (en) Impulse transmitting device
US1226953A (en) Calling device.
US2269639A (en) Pulse regenerator
US1114049A (en) Signaling system.
US2211754A (en) Apparatus for recording telephone call charges