(British) Patents for Inventions: Abridgments of Specifications (Class 40, Electric Telegraphs and Telephones: Period--A.D. 1889-92.) , 1898, page 139:
ELECTRIC TELEGRAPHS AND TELEPHONES.
Patents have been granted in all cases, unless otherwise stated. Drawings accompany the Specification where the abridgment is illustrated and also where the words Drawings to Specification follow the date.
23,023. Felberman, L., [Administrator of Puskas, T.]. Dec. 14.
Telephone systems.--Relates to a system of transmitting from one transmitter to a number of receivers simultaneously. A transmitter T is arranged in circuit with a battery B and the primary c of an induction coil V, the secondary c1 of which is in circuit with the primary coils p of a number of induction coils H1, H2, &c. The secondary coils s of these induction coils are connected to the receivers. The transmitter may be in circuit with a number of induction coils, or the series of induction coils may be variously grouped. In one arrangement, several receiver lines are connected to one secondary coil.