CA454247A - Telegraph apparatus - Google Patents

Telegraph apparatus

Info

Publication number
CA454247A
CA454247A CA454247A CA454247DA CA454247A CA 454247 A CA454247 A CA 454247A CA 454247 A CA454247 A CA 454247A CA 454247D A CA454247D A CA 454247DA CA 454247 A CA454247 A CA 454247A
Authority
CA
Canada
Prior art keywords
telegraph apparatus
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
CA454247A
Other languages
French (fr)
Inventor
William Long James
Irving Roberts George
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.)
Western Union Telegraph Co
Original Assignee
Western Union Telegraph Co
Publication date
Application granted granted Critical
Publication of CA454247A publication Critical patent/CA454247A/en
Expired legal-status Critical Current

Links

CA454247A Telegraph apparatus Expired CA454247A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA454247T

Publications (1)

Publication Number Publication Date
CA454247A true CA454247A (en) 1949-01-18

Family

ID=35571981

Family Applications (1)

Application Number Title Priority Date Filing Date
CA454247A Expired CA454247A (en) Telegraph apparatus

Country Status (1)

Country Link
CA (1) CA454247A (en)

Similar Documents

Publication Publication Date Title
CA454247A (en) Telegraph apparatus
CA461808A (en) Stripping apparatus
CA453820A (en) Electric apparatus
CA459869A (en) Telegraphic transmitting apparatus
AU145191B2 (en) An improved fire-detection apparatus
CA457959A (en) Printing telegraph apparatus
CA460318A (en) Printing telegraph apparatus
CA459914A (en) Flash-photography apparatus
CA459915A (en) Flash-photography apparatus
CA461339A (en) Bookkeeping apparatus
CA458417A (en) Mining apparatus
AU148889B2 (en) Telephone apparatus
CA457911A (en) Electrical apparatus
CA457735A (en) Electrical apparatus
CA459853A (en) Electrical apparatus
CA460132A (en) Electrical apparatus
CA460506A (en) Electrical apparatus
CA459091A (en) Electrical apparatus
CA456885A (en) Electrical apparatus
AU2809449A (en) An improved fire-detection apparatus
CA456438A (en) Facsimile apparatus
CA458120A (en) Telegraph system
CA461321A (en) Telegraph system
CA453894A (en) Telegraph system
CA458119A (en) Telegraphy