Show TRUE TALES OF THE TELEPHONE i fc the Ilie 1 he First Wireless Telephone l- l Telephoning w without wires VIres is no modern modem development miracle born o of the develop develop- ment of r radio cho As long long t ago as 1880 1580 ander Alc Graham Bell Bell telephoned along a beam Bell oft of light fight Bell Beir eU apparatus us operation by means ofa of a cd ced plane nun mino 0 so thin an do dao delicately balanced that It could beset be set in m VIbratIon by sound Wa waxes es The mirror reflect reflect- reflected reflected reflected ed a fluctuating light beam is s directed land kind landa by a lens tand a para para- para para-lolic Lolic mirror to the rec receiving ipp-ii-atus ipp atus In the latter v x as a sensitive cell containing selenium varies which var- var var ies in electrical conductivity in m accor accor- dance accordance the intensity of light ht Fill Fill- fill hll In ing upon It it a cell in circuit with w witha a telephone nc er r and ba battery ry trans transformed transformed formed the ligh fluctuations into undulations un- un un undulations o c fan nn current as an d thus convoyed S surds to the s ear j During his Ins fiat successful nl out out-doo out r e t with mU the apparatus which h ho bo c called Jed the Bell tra trans traM transmitted speech a of or yards arcI Although ugh not radIO apparatus in the th e modern sense his the first fiat was ws sue sue- successful wireless s telephone |