Tiamsis tus txivneej no tau tsim thawj lub tshuab uas tuaj yeem ntes lub suab thiab ua si rov qab. Qhov tseeb, phonograph yog nws qhov kev tsim khoom nyiam. Thawj phonograph tau tsim nyob rau hauv 1877 ntawm Menlo Park lab.
Leej twg tsim lub phonograph ua ntej Edison?
Alexander Graham Bell's Volta Laboratory tau ua ntau yam kev txhim kho nyob rau xyoo 1880s thiab qhia txog lub graphophone, suav nrog kev siv cov wax-coated cardboard cylinders thiab txiav stylus uas txav ntawm sab mus rau sab. nyob rau hauv zigzag zawj ib ncig ntawm cov ntaub ntawv.
Thomas Edison lub hom phiaj tseem ceeb rau lub xov tooj yog dab tsi?
Hauv xyoo 1877, Thomas Edison tau tsim lub tshuab hluav taws xob siv kev sib txuas ntawm phonautograph, xov tooj thiab xov tooj. Nws lub hom phiaj yog txhawm rau sau cov lus ntawm xov tooj mus rau ib daim ntawv kab xev.
phonograph nqi pes tsawg xyoo 1877?
Cov tshuab tau raug nqi, kwv yees li $ 150 ob peb xyoos dhau los. Tab sis raws li tus nqi poob rau $ 20 rau tus qauv qauv, cov tshuab tau dav dav. Lub tog raj kheej Edison thaum ntxov tuaj yeem tuav tau li ob feeb ntawm suab paj nruag. Tab sis raws li thev naus laus zis tau txhim kho, ntau yam kev xaiv tuaj yeem raug kaw.
Tus phonograph Thomas Edison nqi npaum li cas?
Thawj zaug qhia los ntawm Thomas Edison hauv xyoo 1870s, lub tog raj kheej ib txwm yog xim dub lossis xiav thiab txog plaub ntiv tes ntev thiab ob ntiv tes inch. Lawv feem ntau yogmuaj nqis tsawg dua $5, tab sis qee qhov tuaj yeem tsim nyog $ 100 lossis ntau dua. Lub tog raj kheej uas muaj xim av, paj yeeb, ntsuab lossis txiv kab ntxwv, lossis loj dua ob ntiv tes, tuaj yeem tsim nyog txog $ 200.
