CA4608A - Quadruplex telegraph - Google Patents

Quadruplex telegraph

Info

Publication number
CA4608A
CA4608A CA000004608A CA4608DA CA4608A CA 4608 A CA4608 A CA 4608A CA 000004608 A CA000004608 A CA 000004608A CA 4608D A CA4608D A CA 4608DA CA 4608 A CA4608 A CA 4608A
Authority
CA
Canada
Prior art keywords
quadruplex telegraph
quadruplex
telegraph
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
CA000004608A
Other languages
French (fr)
Inventor
Thomas E. Edison
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
Publication date
Application granted granted Critical
Publication of CA4608A publication Critical patent/CA4608A/en
Expired legal-status Critical Current

Links

CA000004608A Quadruplex telegraph Expired CA4608A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA4608T

Publications (1)

Publication Number Publication Date
CA4608A true CA4608A (en) 1875-04-10

Family

ID=45121164

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000004608A Expired CA4608A (en) Quadruplex telegraph

Country Status (1)

Country Link
CA (1) CA4608A (en)

Similar Documents

Publication Publication Date Title
CA4537A (en) Duplex telegraphy
CA5493A (en) Improvements on electric telegraphs
CA5366A (en) Mode and apparatus for transmitting telegraph signals
CA4949A (en) Apparatus for transmitting sounds telegraphically
CA4948A (en) Art of transmitting sounds telegraphically
CA4923A (en) Draught equalizer
CA4403A (en) Tire-tightener
CA5303A (en) Improvemenrs on heater-furnaces
CA4770A (en) Improvements on snow-ploughs
CA5179A (en) Improvements on whiffle-trees
CA5317A (en) Improvements on lacers
CA5049A (en) Improvements on veneer-cutters
CA4737A (en) Improvements on centre-pieces
CA5078A (en) Improvements on ore-crushers
CA5509A (en) Improvements on whiffle-trees
CA5396A (en) Improvements on mattrasses
CA5302A (en) Improvements on mill-trams
CA4284A (en) Improvements on omnibusses
CA5280A (en) Improvements on electromagnetic-engines
CA5320A (en) Improvements on chain-cables
CA5472A (en) Improvements on mocassins
CA5388A (en) Improvements on cooking-pots
CA5150A (en) Improvements on stove-heaters
CA5406A (en) Improvements on vehicle-gears
CA4706A (en) Snow-plough