ES55959A1 - A telephone installation for double conversation with three wires. - Google Patents

A telephone installation for double conversation with three wires.

Info

Publication number
ES55959A1
ES55959A1 ES55959A ES55959A ES55959A1 ES 55959 A1 ES55959 A1 ES 55959A1 ES 55959 A ES55959 A ES 55959A ES 55959 A ES55959 A ES 55959A ES 55959 A1 ES55959 A1 ES 55959A1
Authority
ES
Spain
Prior art keywords
wires
telephone installation
double conversation
conversation
double
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
ES55959A
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.)
TIETGEN HERMANN
Original Assignee
TIETGEN HERMANN
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 TIETGEN HERMANN filed Critical TIETGEN HERMANN
Priority to ES55959A priority Critical patent/ES55959A1/en
Publication of ES55959A1 publication Critical patent/ES55959A1/en
Expired legal-status Critical Current

Links

ES55959A 1913-07-08 1913-07-08 A telephone installation for double conversation with three wires. Expired ES55959A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES55959A ES55959A1 (en) 1913-07-08 1913-07-08 A telephone installation for double conversation with three wires.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES55959A ES55959A1 (en) 1913-07-08 1913-07-08 A telephone installation for double conversation with three wires.

Publications (1)

Publication Number Publication Date
ES55959A1 true ES55959A1 (en) 1913-09-01

Family

ID=64214513

Family Applications (1)

Application Number Title Priority Date Filing Date
ES55959A Expired ES55959A1 (en) 1913-07-08 1913-07-08 A telephone installation for double conversation with three wires.

Country Status (1)

Country Link
ES (1) ES55959A1 (en)

Similar Documents

Publication Publication Date Title
ES55959A1 (en) A telephone installation for double conversation with three wires.
ES56996A3 (en) A nightlight.
ES55830A1 (en) A planer-drill.
ES56298A1 (en) A letter-envelope.
ES50723A1 (en) A welding installation.
ES54742A3 (en) A telephone station that works by the introduction of a coin.
ES55932A1 (en) A mechanical mixer.
DK18020C (en) Telephone.
CH67500A (en) Telephone installation
CH67501A (en) Telephone installation
CH67502A (en) Telephone installation
CH67503A (en) Telephone installation
CH67504A (en) Telephone installation
ES53127A1 (en) A gas installation.
DK17684C (en) Telephone answering machine.
ES54672A3 (en) A tent.
FR457392A (en) Telephone transmitter
ES57118A1 (en) A refrigerator.
ES54796A1 (en) A new spark plug.
CH65829A (en) Self-collecting telephone box
ES55854A1 (en) A lock.
ES57206A1 (en) A union for electrical conductors, cables and the like.
ES47186A1 (en) A union for electrical conductors.
ES53752A1 (en) A hydraulic transmission.
ES53108A1 (en) A girdle-truss.