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■- - ™1 ' - 0S'Radiograms® , 0' JLThree fountrffes arc tnoviog fast to-jrd the goal of (rinmniRiloD of tuovflog objects by radio.its Amenta, FraDclts Jenkins and others an* working on machines by which actual hutypfnmg*; flay he sent broadcast so ibat they may be seen and heard at j’le same time.It; France.’the l*elln process ofi;ansmltting protographs is being test cd for the f ext step—sending the events thrma^ves by wireless.Anter1I lievaGnizobatmeduiqiltnifofablidhtheJ. L. Baird, tBngllsh scientists. Istrying to perfect a machine whichtransmits actual objects through tlr?^al.\ 1I?*In the Bair | system of television. Viglit from every part of the object la , ucCCksfully projected on to a light*S.*kt*?sensitive coil Ay means of a system, *sz of lenses and stutters. The cell isneither photo-electric nor selenium, £;• so. those in } her similar inventions.i In this case ft is a colloidal, .or fluid,4 ^ cell invented by Baird, which changes £ in resistance **actly in proportion to -jjthe strength lt;f light falling upon If. *. . .The varying current from this cellla transmitted to the receiving sta-1 lion where It control** a beam of light ^ which is made so traverse the screen jlMSeSactly in t nUon with the passage .. of the image over the colloidal cell. %mAt a dark part of the picture thelight is dim. At a bright spot it Is bright. So rapidly docs the beam traverse the acreeii that the picture appear almost instantaneously to theeye. 3■» ■■■■ ■■■■ ii - mi%%tkmr%t •*
Newspaper Details
Saint Johns Daily Globe
Saint Johns, Newfoundland, CA
Fri, Apr 17, 1925
Page 3
Full Page
Clipped by
Anonymous
AU 07 May 2022
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