NL183C - Telephone porter - Google Patents

Telephone porter

Info

Publication number
NL183C
NL183C NL431A NL431A NL183C NL 183 C NL183 C NL 183C NL 431 A NL431 A NL 431A NL 431 A NL431 A NL 431A NL 183 C NL183 C NL 183C
Authority
NL
Netherlands
Prior art keywords
porter
telephone
telephone porter
Prior art date
Application number
NL431A
Other languages
Dutch (nl)
Original Assignee
Bell Telephone Manufacturing Company Sa
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 Company Sa filed Critical Bell Telephone Manufacturing Company Sa
Priority to NL431A priority Critical patent/NL183C/en
Application granted granted Critical
Publication of NL183C publication Critical patent/NL183C/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
NL431A 1912-06-14 1912-06-14 Telephone porter NL183C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL431A NL183C (en) 1912-06-14 1912-06-14 Telephone porter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL431A NL183C (en) 1912-06-14 1912-06-14 Telephone porter

Publications (1)

Publication Number Publication Date
NL183C true NL183C (en) 1914-04-15

Family

ID=1771552

Family Applications (1)

Application Number Title Priority Date Filing Date
NL431A NL183C (en) 1912-06-14 1912-06-14 Telephone porter

Country Status (1)

Country Link
NL (1) NL183C (en)

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