Evening Star Newspaper, March 29, 1931, Page 116

.ICTLI RES IN THE- MAP W) 7 Wi NEUSTADT U " il . y * g No oNE CAN DOUBT THE NATIONALISTIC WHEN EVEN THE SHAPE OF THEIIR COUNTRY LOOKS JUST LIKE \/ MOUNTAINEERS FROM THE- AUSTRIAN SPIRIT OF THE- AUSTRIANS, HIGH LIGHTS OF HISTORY -- ONE DAY BELL SAIP> TO WATSON, *1F 1 COULD MAKE A CURRENT OF ELEC- TRICITY VARY IN INTENSITY,PRECISELY AS THE AIR VARIES IN DENSITY DURING THE- PRODUCTION OF A SOLIND; I SHOULD BE ABLE RING THE SPRING OF 1875 PROFESSOR ALEXANDER GRAHAM BELL CONTINUED H|S EXPERIMENTS WITH THE HARMONIC TELEGRAPH, AIDED BY THE YOUNG ELECTRICIAN, THOMAS WATSON. THE TWO RIGGED UP A LABORATORY IN THE TWO-ROOM GARRET OF WILLIAMS' TELEGRAPH INSTRUMENT FACTORY IN BOSTOH SWHERE WATSON WAS EMPLOYED, AND HERE THEY CONPUCTED THEIR EXPERIMENTS. ALL THE TIME BELL WAS WORKING ONTHE HARMONIC TELEGRAPH , HE HARBORED AN EVEN GREATER IDEA IN THE BACK OF HIS HEAD. THIS WAS NO LESS THAN TO TRANSMIT HUMAN SPEECH ONER ATELEGRAPH WIRE-, . . ... "BeLL HAD FOUND THE SECRET. LF THE PLUCKING SOUND COULD BE CARRIED FAITHFULLY OVER THE WIRE BY MEANS OF THE VIBRATING REEDS, CoulP> NOT THE . SOUND ofF THE HUMAN VOICE BE GREATLY EXCITED, HE RAN TO WATSON To LEARN THE CAUSE. WHEN WATSON EXPLAINED, THE PROFESSOR SAW AT ONCE THAT HERE WAS THE VARIED CURRENT OF ELECTRICITY “ ME HAD BEEN LOOKING FOR . . . . . . . WHEN BELL AND WATSON TESTED THE- INSTRUMENT THE SOUND> OF THE VOICE CAME OVER THE WIRE, BUT THE WORDS COULD NOT BE DISTINGUISHED . . . - (Copyright, 1931, by J. Carroll Mansfield) e N— Yot wflflf 1 wm.w“ 1! Oxt THE FOoLLOWING DAY THE TELEPHONE WAS READY. To AvoiD HEARING EACH OTHER THROUGH THE AIR AS THEY SHOUTED INTO THE INSTRUMENT, A WIRE WAS RUN FROM THE ATTIC LABORATORY To A WORKROOM ON THE THIRD FLOOR, TWOFLOORS BELOW . . . . . . . . TO TRANSMIT SPEECH TELEGRAPHICALLY." ONE OF THOSE YODELUNG ARROL A TYROL. . . - .. "v’gmvsnslb-‘ The Story of the Telephone — Part II THE PLUCKING SET UPAN UNPULATING CURRENT, WHICH INSTANTLY REPRODUCED THE SOUND ON THE RECEIVER IN THE - | NEXT ROOM. BELL'S KEEN,PRACTICED EAR,CLOSE TOTHE RECEIVER, *ON THE AFTERNOON OF TUNE 2,18175, ONE OF THE TRANSMITTERS SUDDENLY STOPPED IBRATING; AND WATSOM PLUCKED THE TRANSMITTER SPRING TOSTARYIT , o s o (ool wiye -THAT NIGHT WATSON MADE THE INSTRUMENT FROM BELLS DESIGN, - A VIBRATING REED FITTED witH A DRUMHEAD AND FeverisuLy, BeLL SET TO woRK DESIGNING AN INSTRUMENT THAT WOULD FORCE THE SENSITIVE SPRING OF THE VIBRATING REED To FOLLOW VOCAL VIBRATIONS DIRECTED> AGAINST IT. 1T WAS NOT LINTIL MARCH, 1876, THAT THE TELEPHONE SPOKE" FOR THE FIRST TIME. ON THAT MEMORABLE OCCASION WATSON WAS STARTLED> WHEN BELL'S VOICE CAME FROM THE RECEIVER, SAMING DISTINCTLY, HOWEVER, THE TEST CONVINCED THE PROFESSOR THAT HE WAS ON THE RIGHT TRACK . FOR MONTHS BELL EXPERIMENTED> TIRELESSLY TO MAKE THE SPOKEN WORDS INTELU - GIBLE- OVER THE TELEPHONE-.