BSTJ 10: 2. April 1931: Abstracts of Technical Articles From Bell System Sources.

1.8 MB·English

Abstracts of Technical Articles From Bell System Sources.

Wester Eirctic Remals Poser Plant ai Mescthorae Weobes CM,
Baasiee, The sirinicy of a seopear revamping pega. 8 fe
‘wie ofthe new plant the iraillaciom ofthe larzestconling tween
America. Airplane propeller Sve Force daft fms are empyed.

Tong Telephone Lines (a Cousde® J. 1 Cnaeer. This ner dee
seribes the development of the Tong distance telephone service in
Gansu, histor. Ga its inception al foe dnstallation of the

tncleas of 36 miles, uy vo and thnk the present states and lies
liste in Table 1, to the proposed developaaeat rpveaere: hy Table I
the reals a earful seucy of ells pet day to he expacced by 1932
This efit sn roviee for uate cequieemetts in &aa-er ws sai!
sie Trova Latanision peint of view, asd to anconlic i wil
Tninimum amowne uf ving. wh al hw nginceing work for
Dias avcedy aet've'y waler negara cetoin work sl mara
actually counmenced, A survey’ exiting eaver al the meter of
transi minstrel

1 Rama bio. * CT. Daetssox. A bre snd infernatory
cron of tre" Reman Eilts" Bar this now disoesury she rely
ET ghe and spectra appraise ag.ore uf the mat impwierane ackiewe-
Tate vain cen years Sir. Resa of Luda wap ararded
the Novel Prize fn phi: fe 138.

Plowning a Plaes for the Manafurare wf FeutsCroent Teipions
Cie JC. Hast. Results of aetudy to detain the sae al
yi of Uling to ie erie, the atemyemen of smahinery for I
tint lv! hace af eda ds woes avant, a! He

Inonkeficiet matarci handling equipment.

usdoar Asmespieris Corvtion of Zine and Cadminns Becradepasied
Ccaatagrom trom and Sioie_1 Hieusaves band CW. Homma
[experimental da ave presented on the cates of corrosion of electro=
placed tine, tne alle ond eign protective casings om soe! ia a
overly induatrial a:masphere, ard in a similar etncepier, ht
colerated hy auitional rainfall simalaced by @ water spray. These
ata show thaczincand zie alloy coatings rade’ asa rate than
fadmiium coatings, However, under the asvleated exposare the
tterenee is not #0 poonouroed

Tuieison in Coen from Movin Picture Fly. Heenan B. Wns,
In speculations ox the possible uses fos television. ae prajeet which,
reosives considerable attention, pay becauwe uf ils native ese of
acoinplichatent, isthe trenanision of images rm motion picture
Fim, Te tre thatthe prartica imoltanety of event and viewing,
‘which isthe unique fering of television, sles when the time necessary
for photographie development ct the lm intervenes, Nevertheless,
itisconceivable that if this delay ie sal, televisiow frown fan ay i
poseesssuch an advantage over the macerialtraaspertation of flm a (0

[Hive ita rel fel." tare ssi mone stmt, bu within che
range of legitimate ectaty,f that television spparate may some
time be ured tu revive inthe howe, motion pictus of the sort now

silered in the thestres rin home prajetion outs, However distant
these meeyings ofthe two ares may ba, the tecicalproblens prewea
fre pretty carly celine, end oer ilenesing ewtnes fo ty

"Among tree preblema, and perhaps the farches cry of any, ie she
Aansmisson el ages in eel ecole san gictore Mines
fraper derives a astiod ot eecomplshing ta. sing the receiving
Epparatesf: television in olor ecert deveibed, aad special vending
Sbtweatss which wiles che Titest form ef colored coving pictues
seihe rigged firm now marke-ed wader he mime of Kedacole.

PrimicWire Teleamph Serice? RT, DHeRoR Aa important
port of the entire communication wrvice of the United States is de
Noted to private wive cervice, Mare thaa one aml ental lion

eso private wire ‘elesraph sevice is turned lo penser,
Tokers, nancial houses, pie servieenompania, and aes arzania
tions and iaividuals. Some of the Smeresing featuses involved ate
Alegent Here

Absote Ample and Speara of Core

Orcheos ln Je SIIAS, H. Doss, sul na
fuer on “Speech Power and its Mesaurenen," wie of the author
hasgiven sane sasurerenteut erage aa! ok npn i ope,

i ey 198
ee Mee, Fs 198
using apparstusin whieh the speech spertrnn was divided nto thiteen
band of frequencies. The same anarats ham een sed in series of
‘meaeurementson musical instruments which are reported in this pape
Ab with the epeeck mensuremets te data are sale tare
and ae taken with a view to ileie engineering applications, “These
Spplications are voneersel, ciel, wis Use eaacn sion an zepeoduc
‘len ot msc aa tne ee should show the powe: ane feecuescy 10-
Iltemescs [or systems wtih are eae upina te perfoom these Face
Hore without éistortion. Tn carrying at this ourpuse iL has Seen
thou well to meseure Loch Flos! irae al instant
Playing tne in cuchestae: te make measurements ox act aie
{ul selectons, sates than on sinale notes; ard co take the measure-
rmentsin such away as te abtain sm weer or intone pene of the
Slecion, swell ae the isuibacion of amples in magnitude aad
Freaueney, the exteme values Being particularly imporeant

Delve Moeruraments? Jon C. Sruinuene. That noises have a
fetimencal effect upom hsm ely and happiness has been pranved
fand nov elforia se under way to control or eliminate ebjectionable
francs. Some af the problema involved are outined and a newly
Afevelepra "voige aucea” ie doesibed

Patigue Studies of Tetephoor Gaile Shout fess. J Toren
said C11, Gnuesint They per ee oo limi OF previo
fev poeseated before the Society by ave ef tse authess is 1927 ard
fuchor diecuasee results Tatiguestuciasof Lead sheath fo: telephone
cables. ‘The result 0 invest gatinn of the Satie chavac:eisies
ft lead cate eheata alloys ing the rotating beam type fatigee
inacine, ae reported. Dat are abe given for aie aca

‘The fare of lead cable shen alloys se reported ithe persian
paper ie by intesecanlar fracture ad ia the case of the leed-ancimon?
Alloys repeat stoensaytans to seduce the solubliey of animoay ia
Tesh ‘The type of lactase ebeerved for the rotatine beam 1
mets is similar ta that ofthe rypented Mevure specinens detrei
The previous papas. ‘The type ef falare on the state fatigue tes
Tireking lowa of che bond hetweea the crystals

“The fatigue properties ot the 1is-per cent calsimesl lly ce
sevilla paper ae by deterssaalae fsctore, bt sere se oee
‘sold solubility ofthe cesium in the lend. Great improvement in

a RE ES Pee ts
ANSTRACES OF PRONNICAE ANTICRAS us

te fatigue endurance was noted for an alloy ofthe came tensile prop
tsties asthe lead-antimeny alley

A Compare isctrlgris Serny i Laninsls, Kentwy? W. C.
Wutue, A cooperative eleccrolvels suevey in the coy of Lassie,
“Kentucky, unde: the diestion ofan elctelyaa sommitte is described.
‘An ancvsis of @ portion ofthe aurvey daca and indicated micigaion
Incanuics ace giver as typical camps. The avantages of coopera

urvey aie iowa,

ive action in m general electoys