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Show WIRELESS MUSIC USED FOR A DANCE Sent From Distance of Forty Miles, It Is Heard All Over the House. DOUBLE AMPLIFIERS ARE USED Inventions of Doctor Armstrong of Columbia University and Lee de Foreat Make Experiment at Morristown, N. J., Success. New York. What was declared to he the world's nst wireless dance was IMM recently at Morristown, N. J., at the home of Theodore K. (iftty. His two sons John I. and Theodore 12. (aty, dr., the latter home from Conu'll for the holidays got up a dunce and throughout the evening thv seven or tight couples who hud been Invited danced to music that was played tun i phonograph in lllghbridge, at the northern end of Manhattan, about 40 mile away from Moriisiuwu by ulr line. Mr. 5at.v and his sons are enthnslas-tic enthnslas-tic amateurs iu the nelcnee of ruilio telephony and telegraph. A frk-nd, P. K. QoaMejf of Monlelair, who is 41 radio engineer, made use of the l.ee Ue Forest For-est million detector nnd the sound umplilier invent tsl by Dr. lOdwin II. Armstrong of Columbia, tfee Inventions Inven-tions whii h made trauHcontiatflntuI tel-t'liJiiiiiy tel-t'liJiiiiiy possible, .'is well a 11 wireless wire-less teleplioiie message to I h lulu Mr. ioiJley, who is only twenty-seven yeurs old, inl;ipi.i1 the two devices to anuiteur use and atliuinsl them to a Mh'Unur.'ipli horn In the (Jity home. Taken by Amateur Receiver. The phoiiogtaih thul furiiishi'd the dunce music wus played iu the Jlinh-bridsa Jlinh-bridsa plant of the lie Forrest Uadio Telephone and Tlegrapli company, uud the mush nl sound waves were re-Ctlvcd re-Ctlvcd by the iiinaleur receiver over Mr. (Jat.N's house. When the faint sounds, which, coming com-ing from the twsvlvcr, orMihl scarcely be detwted by the car, passed ilnougli the combined mouuiI aiupiilieiH and then through tile megaphone they could t" heard all over the house. 'C. wli.iti li.iit .!.... i'lf l),.. uiilltul Vlliu transmliiisl, Mr. (July telephoned to the De Forest couipuiiy'a olliceut High-bridge High-bridge ami the ooerator of the phonograph phono-graph listened to the ground wire telephone. tele-phone. The music when it got buck to I1I111 by this route, he said, was even louder than the original sounds from the phonograph. A New York Times reporter called up Mr. tiaty's house and the megaphone was placed near the receiver lit that end. Tile music, transmitted about 40 miles through ulr and then nearly the same distance by ground wires, could be heard distinctly. distinct-ly. The phonograph was telling how she could "yaekl huckl wickl wuckl woo" in Honolulu. Mr. tiaty was enthusiastic. He wild that the operator iu the De Forest building uunounced the number of each record, Its name, and so forth when he was about to put It on the phonograph, uud that the spoken announcement an-nouncement could he ttotrd lu every corner of the tlnty house. Mr. (Jodley, at his home iu Montclulr, had not taken the trouble to usk if the experiment experi-ment was successful. He took it as 11 mutter of lad that It should be. All Very Simple. "It's very simple," Mr. Godley said , to the reporter. "Doctor Armstrong f Columbia has been doing research Work along these lines for many years, and he has at last turned out a device that will multiply sound otHt to 1.1XX times. The De Forest umpllher multiplied multi-plied sounds 1 to IS times. The principle prin-ciple Is somewhat the same, the difference dif-ference being that the Armstrong lb strumetit has a complex repenting action, ac-tion, while the De Forest Instrument has single repeating action. "Together, the instruments mnke It simple to telephone by wireless, and there's no reason vhy New Yorkers should not be telephoning to Chicago regularly except tbut the Instruments have not yet been put to commercial use. That Is because of the many legal tights that are taking place over the I uiulaiiiental radio patents, and he- IMIIlUlt .,! I),., t ..I I 1,1. lit,. , . I t i . ! I I II, -l! ,,-.. ... ,111 . ' I I I " I I I l ! II. 11. 1111,1 111 up nt the present time by the Marconi company. Iut ther"'s nothing to prevent pre-vent nmntwirs from using these Instruments. In-struments. "It tratirtM Just U easy to transmit trans-mit the nms I c of an entire opera from the Metropolitan opera house its to transmll this phonograph music that Is beiu:' played tonight. It would only lie nocsary to have the sending apparatus ap-paratus within range of the voices in the Metropolitan. With the amplifiers ampli-fiers now being used the music could lie Transmitted about JtM tulles." Mr. fiodley said that the amplifier perfected by Doctor Armstrong re-i re-i semliled the headlight of nn MteMM ' bile. Iiis,ad of the light filament, ! there are two electrodes. There Is vacuum in the bulb, anil in an In- 1 CamdeOCent light, and the weak siMind ' enlers on one electrode, while the pw- , erful sound Issues from the other. i |