Show heart beats are heard on phone appliance for intensification of sound makes ticking of watch audible in hall IS BIG BENEFIT TO INVALIDS specialists in distant cities may be consulted by patients in far off places german scientists perfect apparatus berlin the great brent interest manifested by gernian gei man surgeons burgeons and electrical scientists in the use of the stethoscope at long runge range with the aid of telephone and microphone recalls early achievements of that character As far back as june 24 1010 1910 there was mas published an account of the first telephonic cuto auto As described describe by the electric engineer baumgardt naum gardt a physician on the lie isle idle of wight examined the lie heart of a woman patient in london using for the purpose telephonic communication aided by drowns browns microphone in this way wai he fie not only heard distinctly the alie beating of her heart but lie heard it about twenty lines more plainly than though lie hall had been at her side listening directly through the tha ordin ordinary nry stethoscope german scientists tackle it tills this was reported to the london society of Electric til engineers but it was not at once followed up by bj the medical profession because of some uncertainties in tile the transmission the medical society 0 of f berlin now lins taken it up tip with the same zeal that koch and other german scientists displayed displaced in taking up the bacteriological discoveries of pasteur and seems confident that it will come coine into practical use when the physician applies hi stethoscope or even een the unaided t to the region of tile the heart lie hears it the patients heart Is in health regular beatings hea tings corresponding to till poetical foot known as the troches in nil ailments of the heart the rhythm or the character cliar acter of the sound changes definite nite shifts being characteristic of definite diseases find and the experienced physician hears the lie modifications and knows how to interpret them shows experiments at the medical society dr leo jn ja co biohn showed his experiments ile HP uses f for 0 r this purpose the vacuum tubes which in spark telegraphy are arc in ili sorted tor for the intensification of the lie sounds with a relatively andall tip of about the size of a b bl I 1 g dictionary the sound units enn can bo be intensified a tho the tick ing of a watch for instance can bo be heard in the furthest corner of a large hall ball doctor Jacob jacobsohn solin puts the micro phone upon the chest and with the nid aid of its ills apparatus ap every eer one in the I 1 nil all hears plainly the lie annit throbs e system Is not yet et so fur developed de eloped that a patient may mi cill call the most fail famous lous pin in till nil tile capitals of europe to step before tho apparatus appi upp ratus aratus and examine his heart but a bride in berlin can let her hul anil in new york hear how her heart bents beats for him |