BSTJ 20: 4. October 1941: Abstracts of Technical Articles by Bell System Authors.

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Abstracts of Technical Articles by Bell System Authors

Poairon Miccojes eed tis Tes! Jost A. Brews wn] ARITA
J.Amnaty. Three’ a hal ears eased snr ara Jase
a pertales mata of data, Hola, pt bea lence nse fee
Ihog tbe wal ely de thf. en cps cate. Ts
the yeas soe ie, the meenap, an grotto Powel a ae
{Fane rte oe pss hort Teen Howe seh
the microscope nas been stable to sve best nf oie ange
Ceefl rong eatin, Tory am ye a retin ene he
Slectonmcosope, ie exenr the rage of wel gale Ta be
one fold iss ded promes a eappement te taxa microscope
any tls of ele reneshs Inns gate Ie tor ere
Ses of eeetron erst tll ow ey tts on ot Tne be
Shey ae beng edi pec shee, neg he Uidgial
SSices, ruber of icone ae sbom to aetste tase

Recut Deniopments in Prete Mesa Coakngs® RM WERE. ‘The
reverion a eon ‘a accoraplisie! yy tau gevezal mtd: (1 Che
Prow'sion of w tonconenive environ, soe (2) helen of
pratectve film so exclace se crrsiv envitoanets frm the etal. At
Sanur uf the Gra metiod une nay ite he de-acration of Lele: foal
‘snlensad arene ry in whi nostore sonata Aa, sulphur
sees, te liminstd

TRefering to the second meth, corssion yer‘ les aye
vied into tivo main clase the Gos consisting of tho ne ered sats
Tally thraugh the plush of sour pots Ca surace of the
mel fo give a ir pmitetve eating; atl stn, comping fit of
alas, varnish, ectamie products or metals whica themsaves develop pro-
tective Sine. One natural type af protective Cla isthe eberieal con
vetson coating predced by sarione teatments, ses a8 phosphate or
heomste clipping we aac ati

“Zinc i te mos csparant of metallic contngs, 45% ofthe metal con
sumed is the United Stats being used in tis manner. Hot galvanised
outings on sect base heen inyroverl hy suitable re-iastne he
toe) enviar, svt sees fiom am alternate oxidation ane msuetion
ti by the alto of nl ants fauna to the zse bt

Wleetropate zine deposte have the sukownoge of being, applicable tn
renter thicknss thew botdipped.cestings.Fletrolating eds
ave mice vomieale pr, partials in the wire field, with Use
spending up af plating zates aa mach se trenty-ve fol

right sine cautigs have been develope fn response to the seman
for improve pane aad tis fish ie aradally replacing the older
«dll pe

“The protective vale nf sine sets ciety ypon the thickness a the
coatings Eaperinents have le wasiscanent he aver of ineresting
‘Sars allows rat ope mate, tempers te rate, subuthas, wen
fd highly dete, "Eke aesience of ne rings be woes under
Iroc deyendeTegely pen the degen of relation of the ater and ts
nye stent Wen a submenges sir-rtetxtoxe eae Is lapped
Toth jute, tieeby segoating the ater she ope f ine Lo wis cote
sin is erent

‘Cedar ale has goal cae al ety sstacty fr ‘ndoor we
{coos abt posers soernianribuance equal 0 sine under cones of
‘andor esse Bright sickel casings smi ear gs requing
Prikl fing ave fangely teplased the elder type nf rk eeting

Avery promising rasse of pstecting sel, Hnawn as "Canning
conivs in the appceaon of yor af rik! plate “llowed by either
Tne or "The cuples contng s hested to =1000F yelng toys
futialy fs Corn ss whieh show hgh resistance co the elt epee

‘Seventy pee seat of the ews a Uh ae sod in cane, ‘The hot
Aigpod pss sold ard well stashed bu i boing eh lenge yeaa
{Ehuoe cling pooner inoiving eloctoplesing me'Fids of piesa,

‘Recent progres ln prlesten 2 acetals bs online of other tes
i largely fs tre retin ofelectcpleting sr! eonlinunus proces,

Messuremen ofthe Dol wad Dictian af Avil of Ehues rom Near
By Shot Wore Trononitert?€.¥, Eve saosin KARL G. TASER. OD
ervatons 1 ues eased by 8 ishpever eam Lansitter opersting
inthe durtewnve age show that wren Ue resciver ie ocated within the
ship sone, echoes arp ser lasing lasso om 1 to $0 el sols
"These echocs ar the rel if sattving ane thre event tspen may
rssngnized, each arising fom x dieeat source

TEcvoce of the lige type wete Gourd to onrir the rose feequenly
and t0 have mary of the Parasites of signals trnemiltl over long

es ft uc 1881
Alstances, Compasenss wee obsrved fsem replons upto 40M mes die
tant, Direciionstanrive! mensinements nang seumibe ari eneeaing
fm the mus pncile Indes te That these mule echoes are sratere
Tom cegons along the tran hear, Verial angle fae meus
srrenis sing men ner ngsysenn blade tha He surat the
ney bebe sre of hep

‘Sinlacites betneen multiple oes and southelydeviaed waves from
European irenemiters hove feos fvuael shih ixlcale thal the sine
erties ery he resent Fo

laine by Disa Recossan L, Joss, Tae evotion ofthe ele:
lhe plane ekanacterized by planning ar invention, Thi article de.
files Ue Bell Teephore Laberaceres! esha dreeoving new end
improved tephore appevatin by integ ting bw creative elt a le

nisi in veviouselde a recerea and ngirering, For lee reer
The sent deveapuveathistrise of toleghore deep wi, rea, ard station
rear ves ane chon to lust the problems eesartered, Otker pr
tis, anne of ik is kev by ee bgues, ello snr devslopmcae
dalle Nov eater, inoved proce oF mavalacsrs, orm in
Insintexence and bee teesiandg ot ranceient ea ly eo

ining partyin the farm march elon

Lubivioe Trusonisrion® ME, Sranmey ond C1. Wes. Exper
motte i tie taemigir of slevsen sera over wee ace Have bee
doom sre tire the levi aaa levaloe. The present
apes dieses espericente ade ding the anime of 194D with Al
ine MeSracesestace signe trzamited wer roa calle and her
telephone fai, Som nl te genre onaklec of ite tanmnsion

have brew inched, Tr partvfae The nulls taasm'son stulics

qaystem linking New You ud Pie pin a pore

SH rg Mga, Sg