1924-11-15 — Page 11

SATURDAY, NOVEMBER 15, 1924.

THE CHINA MAIL

LIFE-SAVING by UNDERGROUND

RADIO

TINE - 2000

an Loc

RADIO STATIO FUKYY-UNDER- GROUND cory- BULICATION LABORATORY

BURENO of

XES EX-. REDZETYT SPATION A7.

The Wireless Brings Promise of Safety to Men Entrapped by Mine Explosions-A Great Contribution of Scientific Progress.

[By DUNCAN CAMERON.]

The development of radic has brought bor of zuen in the tomb, their names of, and-working numbers, the manber of mes

e of the greatest contributio

spinned to the protection of human life.sing, and the condition of the air m

In the early days of the wireless phy Information of this character will telegraph, safety at kon was new greatly fasilitato redo juntion

which will result in the saving of vast numbers menting by the atomari

the waves and bright prompt

imported sce la fies

by wreck or

turates

S.

(1.

in mid-oegang Tha

f the

. . signal in lime of distress has

of human lives, by making it possible for relie, to reach the prisoners without the lost motion und delay attendient uptats the former method of digging without definite information s to precise toeg become sus of the copper Prompt rescue is essential to the ware rently been prevendon of suffocation and the perils

of this and hunger: and the directoniounication would be ed great, mine, † through the development of a line falib

of

1h air.

of sailors throughout the world.

vidio has toavigation

this median the aviator miny Join touch with his home landing fede al may ide self through fog and clouds with con$dent

t certainty.

To the achievements science

вн

action nude possible by knowledge of the exget whereabouts of the inloubed miners is a mighty step in tinely acro to their underground for

The efforts. TOW

to deviso satisfactory -com- munication in the underground chair hos attracted the best thought of mine

Even One Way. Would Help.

It trad been "been that ever merway

The

Wirs-Wireless.

results have

about

**witel wireless" SYALCHI This System utilizes the ordinary mine equipa men ment for the trustission of the voice.

.

motaille carriers. The experiments in

krep and maintenance, but this will ke lienta that the transmitting unge of soffart by the almost total elimination of radin.art in the average coal mine is only telephone has and wire maintenance atad a famhadred leat when no endoctors by the nurthur advantage arising from the karo present, kat may be several thousand Tack that wires will have to be givers Ever when operating in proximity to speed is the mine halagay a metallic carriers.

•The engineers establudus, the fact that breaks in the stallie conductora do not completely slap communication, as in the sy of a break in the lines connecting the ordinary nine telephonos. It is shown that are falling racks, tumbling mola,

o, dne Hooding and other dis which might cause breaks, will unt upletely desting the conductor...

Simple Installation."

.

entries.

Must Be Fool Proof.

Ecoiomio factors play their part in th Inlinduction of rio pasta. Špa emergency use. The invertment in his equipment is a thing to be ignored And it is felt that the real usefiafnum of tio

ini actual resen wurk must

!! be deffery uzperiments.co be taken as establishing dual results. Landing wet miz. It must also be ruggest, darable mit, fool-proof, With this loveioptuent there will pro bably come the evolution of a direct and quy to maintain in good working fer the outfit in connection with the der. The westglit must be kept low in daily operations of the mine ite

order to make the outfit sufficiently With When theso two things have been accom

teka and kindred problems worked out,it pisteil the general van of thing rods Portable for underground, tme. opparnik will donbiles be readily

i bulieved that underground radio will brought about.

Venovo much of the deadly peril of the

The experts of the Bureau of Mines conclude that the transmitting and re-

sedulorgraund ¦ ¦ crising, apparatna most be muertel by dampfteas and con-

!

*

Bes

The installation of a line-radio set is simple. The basic requirement is to lay ON THE SURFACE wire twenty-five to fifty feet in length the along the ground, or stretch it along wall or root, in a direction approximately parallel to carriers.*** The samo end.

An important eleinant in cometi may be attained by directly coupling the

The contribution promised by this won. set to the comincion by the use of suite with the the of the api tegur oparating work is the familiarity which alle cupocities or inductances.

dartal devolopment offers icexingto alante, will give the trinera. The imprisoned miners and their terror- As far as actuni inainilution of appuramen would become acquainted with the stricken families as well. To the men tis in canceraed, the Sino-radio is eon

it brings hope of resona from conditions operation and care of the apparatus. In nderably simpler and n be installed. inenge of a disaster, this familiarity with hitherto condidered sa offering almost

quicker tion than the present the operation of the equipment would be underground asino telephone, with its of far greater value than any short curtain death. To the families--those above the surface--the successful applica connecting wires. In the notice afinars of training who might be given tion of the tireless telephone offors relict

wes interested in the operation of an from one of the nightmares of the miner paratus, however, the line radie outfit i 3:

burial mins telephone. The future of the new

for the zoninstay of the: family. vetem depends upon development, and

Another implant element in that if he who have seen and withoned the the lif the. Hureau of Mines

ines Expresnos

the equipment is used in constant operat act-rating Hess above ground in that after the lino-radio apparatus has

of disaster tali-me been developed to a point where its use work the maintenance and pection conditions are harrowing belief. teled, its funt adoption will depend justified on business grounds us well as tainty in a grievous on the definite seat) has already. upon the operating conditions prevailing from the purely humanitarian viewpoin: knowledge that inbach individual mike;

of safety. This rame logic applies to the claimed the minors. With the introdus

out of installation, an is always asiar ion ef the underground rein and the lor a mine to procura money for instal ability to obtain news" na to the anfoty- iing operating apparatus than for that of extembad loved ones much needles which is for saluty purposer alone.

i terror will be römoved.

carriers

bring forward-the addition of safety for coal-miners and underground workers

The radio sark has bead: arul, resparels of modern acioner, The Jurties. with beneficial effect on the † Juknaity, assistant engineer of the Bures more carpiented, then the present simple apparatus intendad purely los respuewifo-and children-the dread of general way which enables miners, ordinary mine telephone is apt da be spirits of those imprisoned. In the same

the

in.

controlled in a in a pered in by

by explosion, to

ba

it miness could be equippual with reliable | 97 receiving apparatus to allow them to lune la and receive Wenges from a bigda- | through serent inde sp of trolley powered stations on the surface. Through wires, mine tracks, compressed air pipes,

irater pipes,. cables and this means the entrapped' minars could be kept prated as to the progres of rashilar atur dccording to 3.

of Minn this method promises the solution of the dificult problemf estab terway entombed man could even worthless in time of mister. maintain a renderi

fishing lines of communication in a way TH 35

that is the mine, where the rocaera parts of

ure to withstand the with Aying wreckugs anal debris make

Lould more easily reach them.

Kevere disturbances short work of the wires by which tele- phone comunmitication is maintained Experiments successfully completed by siems,

the United States Bureau of Mines have En los recently condnetel in a cost under normal conditions. In view of this complete shutting off of umas of con- resulted in enabling two-way communica.nine 400 fens deep a difficulty war ramicating with the surface,

tion to by established. More important experienced on the surface in receiving still, the research has made it possibiarulio erBuges from a fransmitting sel cave in or explosion, the necessity for

for contact to be maintained in spite of mounted, upon a mind locomotiva, na tong adequate wireless apparatus has been

caplosion and wreckage.. widely recognized.~

as the apparatus was in the vicinity of

work.

terrupled communication with the surface The force explosion, or the conlagt/ targeted to take their way to different is reasonADY Occasioned, by explo for mine communication is to be recom-t service will be more constant and will be. They key that the angaiah of uncer.

and to direct the steps of reacus workers joward the 'onderground prison.

Importsuca Yery Great,

The importance of this nowad-velop ment can put be overestimated. With a reliable means of coica transmission at the disposal of the entombed a it be vortex posible for the prisoners to inform

exact location, the of their

rekeners

siker.n

1 DEDE

ACHAISE

Offsets To Expense.

will The line radio apparatus alone necessarily have a higher expense for up-

One of the great cemeteries of the world, noted for the famous rents and cat nich there. Thoy people who sleep there. Named for its former owner, the father friends of their dead, and share with

thain their simple plossūras, ;- confessar of Louis XIV, who had on the same site n beautifui residence and garden, Overlooks Paris.. Memorial chapel where the dwelling house formerly stood. Curious customs differing from those of other lands, a

[By LILIAN HAYDEN HIESTON,].

At first sight Freneli bunal groundy hold inany people.

Origin Of The Comstery, The priest, Pore. La Chaiss, was the favourite of Louis XIV, and was given much wealth and vast lands for his order. The extensive and very beautiful. country estate belonging to a rich tradesman on this hill outside of Farla was purchased. the and given to his friend who

The fitile, chapels op ble residines there. It was

strike an Ameriono na vory carded. We are close together. so close that one can

will much grass- A/Fronah family buy the chapel Care/hung' auricua' 'wrostis 1903 the Trial ovde,-In-Wa

space but little larger these ona grave made of benda-A-rocant-burial withoundombin-fori burrow in view

are accustomed to our garden camoteris sudom pass between. On the salle of called Mount Lens, after the king. In

This

down

for

vers, but later on and for out with thần, i

Uften the little procession is very long tu

•pening and all traffic is held up for it.

Monument Aux Moris.***

The beautiful mopument to the dead, the work of the solutor Bartholomie, is A copy of the original which is in the 16um at. Momeillon. It was shown at

of vast learning a teacher of men, and she an enthusiastic admirer of bis ganius, We pity her in the long, long years when she lived over thinking of her lover, in the silent convent, whode hand she be came and where Brally she died. And so they rest aide by side, this nun and priest, carved in tone. In the spring when lovers walk in the pleasint pathe beside the tomb oral little manting birds" wing all around them and, violets biom in the deep grass, perhaps their spirits are togatur somewhere, happy and fren to love..

Cremation.

Cremation is practised very largely in -Poris and every provision for it is mudu už Pere La Chaise. A receptacle la freely given for five years in the beautiful Columbarium for the ashos, The heat required for reducing the body is made from gas and the time taken in one hoor." The kies of cremation re-appeared in France in the year five of the French Republic.

Famons Dead,

-It would be a very long list of namen Dre atlerapted to give the renowned people who are buried. in

this vast

.

cemotory, bat one can at least zaention some ortd-famous names.

Baeah, Bambašit was one of the moat recent celebrities interred--bore. Alfred de Musket has the tree he asked for:

His

στίνο.

shadows

בלאו

later, who cared for him and

adored him in hli

in life, restacions---beeldo. Bairns and Datider, Ranine and Moliera, Chopin, Carot, Cuvier, Rosa Bonheur, Rossici, Rachel, Dore, Marshal Ney In Fontaics and hundreds of other equally well known names are found on the stones here.

hero of the tomates set There, is portion

part of the request. of the Turkish, an

kassiter for Mohammedate and also a part

for Jews. There is a large and elaborate inonament erected by. popular subscrip Won to the statesman, Casimir Porier and

the Salon des Boaux,

aux Arts and was bought Lone të Thieme, was well on innumerable by The Stats auth: City of Paris for Pero, statnes and stones to private individual".

ALL

Cameras Not.

Imes

The

Is Chaise wat unvelled, for Saints Day In 1890. It represents, phove, iomarch of humanity towards he.comstory is cally reached by

of sutobus 'imd tram.. Variots death, and bow the uwakening of the Metro, or underground, has a station at dead to another life. The sugel lifte the

very pato. If one soleota

A pleasant one of the tarab and lights, lay and bus several hours to pass one

"perhaps twenty by fresh flower and wreathe, many of, 1. opened to the public in from the house or church. The carriages - touch his hat és any funeral, however status of the wozy side by sida under 】 tộ p is placed a large glub of blundaborate and their raniba are met unti

Rothalmol muro, and Atrongly many years: fect. comalimai cented on the bottom and aidas. Or them

be removed.

vhich can easily be

AYSURE

beautiful, adorn praatically finely

mado entirely

all French graves. The ran

of Paris bought the Iwns Jald

It is very And there are over the bill, and the name told trees that have been thers follow and take the peonie home after "uften" very "for

for centuries were left undisturbed wards. As it raits during much of the ths, Ruding slate aland bond-Boven hundred thousand people had been winter and tie procesalam

nover very on cattral. Those leat for s long

now

slowly trang tho freshier The Frerich go to their burial burials are taking plass all the Ume.veral funerals often? ilsons on bolkanya. In the little chapal The cemetery is a long distense from quence of the mourners grave nice plased the coffins, one upon are often fouling seat which they get out the cantee of faris, and it is the custom worker is too busy, Bo another, In this manner, one grave will and a whole family alle down, saws and for mourners to walk to the interment it to make the alga

this, or sometida an of kina, la ling clispel mitar loro bás?may nee

mements of the lande

pic

101: this nitar are dite makes them look brighter and buried there, some time ago-und

Windoors into the enclosure?

· ¦ Párhaps the most sought out mon can thoroughly enjoy the beautiful place - mout and tomb in the gatire comatory is and also the fine views of Parka to be |--that--to--Abelard and Haloina. The

fron the hill. One is forbidden,

aicaple

elaborate canopy of stone.

vory strong prej klice egy slaboratoor-hower

ty cus: plot of grass is railed in by on fron fence having pictures, talent of tho through the strosta "It is a pretty cuss plot of com, the murmuring of prayer air and within this enclosure are always Photographs of famous, RAYON

or other flowers whlob and sold by scents of the go of respect for one who has hunchas.of vinists or backed ch and for those who mourn admirers, throw In The world lotes People are notified, that cam No Homes thro-mere-Several berriaren lovor, 1617 and thous two are typical In will be confronted Ben lider with wreathe of piguisite fren of ardent lovers, cruelly separated and thems at the gate house Bid Sowers that follow after the mourners, felthful oven unto death. He was a man of while one