ES6979A1 - A duplex system telegraph apparatus. - Google Patents

A duplex system telegraph apparatus.

Info

Publication number
ES6979A1
ES6979A1 ES6979A ES6979A ES6979A1 ES 6979 A1 ES6979 A1 ES 6979A1 ES 6979 A ES6979 A ES 6979A ES 6979 A ES6979 A ES 6979A ES 6979 A1 ES6979 A1 ES 6979A1
Authority
ES
Spain
Prior art keywords
duplex system
telegraph apparatus
system telegraph
duplex
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
ES6979A
Other languages
Spanish (es)
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.)
Reina Victor De
Serrano Coronado Pedro
Original Assignee
Reina Victor De
Serrano Coronado Pedro
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 Reina Victor De, Serrano Coronado Pedro filed Critical Reina Victor De
Priority to ES6979A priority Critical patent/ES6979A1/en
Publication of ES6979A1 publication Critical patent/ES6979A1/en
Expired legal-status Critical Current

Links

ES6979A 1887-05-07 1887-05-07 A duplex system telegraph apparatus. Expired ES6979A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES6979A ES6979A1 (en) 1887-05-07 1887-05-07 A duplex system telegraph apparatus.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES6979A ES6979A1 (en) 1887-05-07 1887-05-07 A duplex system telegraph apparatus.

Publications (1)

Publication Number Publication Date
ES6979A1 true ES6979A1 (en) 1887-09-16

Family

ID=64166274

Family Applications (1)

Application Number Title Priority Date Filing Date
ES6979A Expired ES6979A1 (en) 1887-05-07 1887-05-07 A duplex system telegraph apparatus.

Country Status (1)

Country Link
ES (1) ES6979A1 (en)

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