Scientific Notes.

Lake County Press, Issue 2393, 14 September 1911, Page 7

Scientific Notes.

i Sound limbci, js rears old, ha., been conclusively proved by German Govrrmnenl investigators, to he materially stronger than new stock. \(i appreciable wear is noticeable on a staivwav in a section of the Paris -mbwav whore carbor uiidmn crystals were nlived with the concrete oi which 'he stairs were made. Afore than U.- ■« ’• mtoo people passed up anti down the. | .lairs during tlie time observations weir taken. A CLOCK THAT TALKS. The newest timepiece which is shortly to be placed on the market, actual!', calls out the hours, half hours, and puarters. dav and night, unless shut oil. and will toll vou the time to the

minute ;un hour ot the uignt it you pie's a little button at your bedside. I'he winks of tins remarkable dock .11 mate a. stout belt which runs over a 101 l connected will) a sounding box. Gpoii this licit, or rather Him, the bonis, which have been recorded by a phonogiaph, are impressed bv galvani■aiion on a coppei plate. J'he mechanism which moves the hands is roniH i ted with the speaking device, and tin- wiili a timim! which reinforces ilie oiiii.; and projects it outward a uni eh a (inch -grated opening attached to the nanow side of the clock. At noth, a touch on a lever reduces iln dock il l -diem e. Hut il one h.ilv 1 ami wt-he- t" know the hour wit In u; striking .a light. an easilvomn.ii i.nttou i- pressed, and the (lock mmediatelv state- the time. The pen hj tilm is practically indestruc-

tihie. .1 n< 1 orrtipics very little spare, 'ini i , because of ii'■ elasticity, it rn.it’ in’ upon n vrrv small roller. I invented by a mardarin. i I i Mir of liu- In -i things that Mirjp'O.r . ;| lolngner nil .il fivillft 111 IVi kin i- tif strange .-annul tlmt seems to |< < >iu• ■ down from the clouds, but whirl) ■ ivuliv comes trom the celebrated musical doves n| that city. Overhead on ! oil side-- ate ureal llorks of these birds j and ever a - lliev sweep to and fro the (\v<ird irm.'ie is heard. Compared with jthr plaintive coo of ordinary pigeons ' -oimd' uiv: unions and yet is i- eas- j : ilv explained. To liie tail of each bird ifastened an instrument known as a "ehaothe;" 'adiao" signifving I mpi and 4; tlit'" mcelianical. The instrument is composed of several j .mall reed-, and is -o li.t*’ht that the i 'ord (i'l'hi is not impeded thereby.

Los iastened to the tail between the inn middle leathers, and is kept in place I) - , a small stick, which passes •hrontih n. Dunnw the bird's vapid ll'u’ht tin - air passes impetuously ilnitneh the reeds, causing' continuous brill -omul' it i.- -aid that these m-11 cmen I- hoc invented In a man- j daiiu and lh.it their object is to pro- | tecl the doves, which arc hi.ehlv prised I ■-'\ - ci \ here in ( Inna, from birds of I in ev. | CAPTAIN'S CLEVER INVENTION. IHo up; a vmauc Imm Australia to I c.iidon the hjariftie I’niiam W'ootl ■•truck the bottom at Bunburv, and it'aked , am! Captain Liviaft-lone

ji' vi-i'd ;i new dtvirpi inarhinc whirli ' I inn-; a . .a ,i ( iinv,|i, cylinder, rcscmblimp •! lire chute, distended In- wooden |1 ■ i*i>j> -. ,ind i ollap oble m arrordion j l.odiniii. Wiih 'ho.nd <>ti hj i s inffonij * l ll' l oiuriv.imo ( .iDi.uii Livingstone I jo::- able to repair the damage Miffij oietill >• to In intlu- vos.sed ■ afclv i lioiin over a tun of ,i hundred davs. 'and through bad weather. From tile i do, 1, o| ihe i.aunslon. in the South .\\ e.-.t India l)oek. (,'aptain Livingstone ' v . ' - hnv ted into the water inside his I'hute. and demonstrated the working iof Ip' invention The evlinder i< a o' ode 1 I rein a boom and held in j |dm reoiii. Ed portion bv four guys. j i For tiM a' mm a rope is parsed under i | Ibe keel of the vessel and fastened to t .!'<■ lioitoiu ol the evlinder to haul it I ■ down to the proper level; but lor dock ! on! 1 1a1 1 ■ o111 purpose, a boom subi men, 1 ed end on, or a kedge a nehor ,;hi he used. Two canvas anus are ' let pi at the propel height in siuh :i jto 111;t oi I hat evert movement ot the |"■ a riia :o i free, and a water! ight wini'. >vs i - also fa sleued inti i Ihe i anva . I llhMs enabling the worker to see and i | i opa.ii anV damage. The top end ol I I the etlmder is kept ,1)1111' feet above | ! a .per. The hot tom ha s a worn ien i olailo: 111. oi h-n .. ina v lie supplied in- ! ! steai! In flout, aeeo milde for Ihe j ihj mds n- jpm l;et for tools, p, , for j j woi K i":r in the dark a small elcetrie j help 'an lie -.implied. W hen not in j nse tii'' evlinder can he kept in a cask, i I