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Show MINIATURE BATTLESHIP BLOWN UP AND MINE EXPLOSION - INTERESTING FEATURES IN TWO EXHIBITION PALACES 1 Amazing Voice Amplifier and Olher Wonders of (he World's Progress at Ihe Great Panama-Pacific Canal Celebration This Year the Year of All Years to Take Marvel Journey to the Pacific Coast. Ficum every part or tno worm visitors nrc thronging to tlio great Exposition at San Francisco. Fran-cisco. The Exposition there Is tho most comprehensive mid Interest-' Interest-' ing of all universal expositions, and It i will probably bo tho last to bo held i within tho present generation. Now Is the time to sec It. Tho Pnnamn-l'aciflc International Exposition, Ex-position, which opened on Feb. 20 last, has charmed tho millions who have already al-ready beheld tho magic city by tho - Golden Gate. ; The marvels of tho universe arc dls- 1 played In the vast exhibit palaces, af- fording tho inosucomprchcnslve sum- , mary of the world's progress ever dis closed. Many of tho exhibits aro as revolutionary In their character and mean as much to future generations fas did tho locomotive or telegraph when it wok tlrst Introduced. Tho SAudlon amplifier, for example, makes It possible for a man In New York city j to deliver un address through the telo- j phone to a largo audience In San Fran- jj lsco, 3,000 miles away. Through tho tiso of heat waves the Intensity of the X Tolce vibrations is lucTcnscd to such an M extent that, although tho orator may M deliver his nddrcss In n low volco Into I tho telephone In New York, In San I Francisco It Is posslbjo to lncreaso the I sound In volume sulllclent to All a large 1 ball. On th other hand, tho New York 1 speaker's address may bo distributed 31 through telephonic receiving disks at- h tached to each chair In tho hall In San I Francisco. In ono of the exhibit pal- 3 aces visitors may, without chargo, hear a. man In New York read from the I headlines of tho New York newspa- I pen. This performance begins In tho H Palace of Liberal Arts each day nt 3 n o'clock. M The a mating voice amplifier Is but ono or many revolutionary scientific advances demonstrated at the Exposition. Exposi-tion. The Invention has made posslblo the transcontinental telephone, and tho principle which Is applied hns not been developed to Its fullest extent It Is said that with tho probable dcvelop- ki 'SjlsBSHawKSSBBBBBl ct ' rv i IBbKBj SsSIIbssI 'i H OBI TwIHHHi ';vf -v Bl $a c " ! 1 Bssss M BBBBBBBM IBbbbbbbbbbbbbbbbi IssflssaIIsBBB TKLEPnO.VE TWENTYVTWO FEET IIIOU AT TUB FANAUA.-l'AClFIO EXPOSITION. This giant telephone Is shown In the Palace of Liberal Arts, Panama-Pacific International Uzpoiltlon, San Francisco. ment of the long distance wireless telephone tele-phone this new Invention will make It possible to project tho human volco halfway around the globo without tho use of a telephone wire. Contrast tho era slxty-Ove years ago, when the plo- nccr required months to cross tho plains, with that of today, when the orntor in New York mny address his audience In Snn Frnnclsoo. And there are many other developments develop-ments ns wonderful and as revolutionary, revolution-ary, all revealing the trend of the world's progress In tho arts, sciences and Industries. If you nro Interested In mining, for example, boncnth tho floor of tho vast I'alaco of Mines you may And a mine In operation, with It stopes and tunnels nnd shafts nnd compressed com-pressed air drills. Walt a moment and you may witness an explosion In the mlno. A gong tings; uu ambulanco dashes up with a corps of rescuers provided pro-vided with respiratory apparatus, and effects a rescue In tho Palace of Machinery you may see a miniature battleship blown up by a miniature mine patterned after ono of the latest types of tho submarine mine. In the Palace of Kducatlon you will sco clnsses of students engaged In their studies, and perhaps you may be able to see Mmc. Montcssorl, tho celebrated cele-brated Italian teacher, Instructing classes of children. In the vast exhibit ex-hibit palaces and stntc buildings motion mo-tion pictures are freely employed with this object In view. Thero aro forty-threo forty-threo free cinematograph shuns upon tho Exposition grounds, nnd, by the wny, thero Is no charge to enter thu exhibit palaces. If you are Interested In what the foreign for-eign nntlons have accomplished you havo only to visit tho marvelous displays dis-plays of tho European countries or of those of the Orient or South America, Canada or Australia. Among the French displays you may. If you wish, behold priceless works of art nuvcr be- I fore exhibited In America nnd which nt the Exposition find snnctuury from tho ravages of war. |