OCR Text |
Show SEEING YOURSELF TALK. Do! ails of tiie Phonoscope, the Latest lu- An announcement was made soma weeks ago that a Frenchman had succeeded suc-ceeded in taking instantaneous photo-graphs photo-graphs of the lips of apeaker and in reeumbining them in a kind of zoetrope so as to produce the original movement and enable a deaf-mute to understand wlr.it was said, says the Philadelphia Kejord. It is now stated that the inventor has improved on the process, and brought out a new apparatus for combining the rnng-es, the device being termed the phonoscope. The changes of the lips in speaking are so rapid that fifteen phot e.graphs a second are required to ;:ive a good result. The whole head and bust of the speaker are reproduced in the photograph so as to get the benefit bene-fit of the expression. In the phonoscopes the positives are arranged around the periphery of a disk, which is rapidly turned by a handle. A second disk having a single window in it opposite the plates is also rot; - ed by the same handle, but at a rr.-.-,ch higher rate of speed than the A beam of sunlight illuminates the plates from behind, and the observer, kicking into the apparatus, sees them i;t '.s his eye. one after the other, in Mich liipid succession as to produce the che -tof a single imago endowed with ..i.mii ii -.n. To produce this result it 1 i i ty that at least ten or twelve i t p s the retica in a second. |