7412533168

AT 50 CYCLCS

$37.50

r ? r. /•mmiimi

• 11# . -i

ACTUAl PHOTOGRAPHS OF SQUARE WAVES ON DUMONT #241 5 INCH TEST OSCILLOSCOPE

.T₅OC»C_t»

*• ’> i ć •** *1*!

" " nnn

^ AT 1O0 KC

Ampl. 1 nput Imptd Gain Oefl. Sfnj. 8o#pon#e 13 db

Y 2 M, 40 mml. 250 .07vrm|/in. 20-2.000.000 Cy.

X 2 M, 40 mml. IOO ,7vrm*/.n. 5-100.000 cy.

Z 1 M, 20 mml. 10 30-2.000.000 Cy.

X and Y putn fed puth-pull Irom bot* ampl.f.fn. Panel

terni.fialp <|<vf fhoicr ol P-P or unbalanced Oificl connrc-tłom, »en#«t.vlty 22vrm# lor Y. 2| for X. 15-30.000 cy tiwtooth ratei. Te#t.voltage Po#t 1.6v ptJfc/prjl. 60 cy.

Specif.c ation# ubOve OO NOT TC LL TMI STOPY. On# *q.« wave p.ctu'# •» wor th lOOO word# Ol rmpoftł# CLAIMS or tPfC%. r 241 it Che lab-man*p favoe«t#. *>p. %tur*jy.

4l«r.iyi dependablc. 65 «b\ net o* Oumonl qual*ty. lf * 10Vx~ panel ha# room lor convem«nt control* and «n-pul#. Sharp appearance you can bc proud ol. Checked and guirjntifd etectricAfly. W.th reprmt ol completp <n%truct. boofc. ij'pp pchemal»c. part# lift, Shp.i »t C10Q C fl

75 Ib# lob to# Ano. Ca#h prke ©nly...... O I A

Time Pay Plan: 532.00 ca#h and 12 mol at 59 lO/mo.

MINIATURĘ 30.000 V01T DC POWER SUPPLY

Cord Prod. Co. PS30-1M60. Oil-tealed On«y 7“ * 7* ■ r h. plu# terminal# and anti-corona bali#. 1 ma w.th 5®o ma*, rippl#. Inpul 120 v. 60 cy. II Var.ac u#cd at inpul. OutPut may be var.ed CCQ CA

0-32.000 v. FOB Ul Angele*..........003.0U

MEASUREMENTS CORP. MODEL 84 SIG. GEN.

300-1000 mc accuralr 10 »oH and mod. by Interna! fine or pultr MlCAOYOLTlR CALiBRATCO output .1 uv to .1 v. C*C. COnditiOn. checked PfRFCCT by

Standard# lab. 160 Ib# grot# lob Si 79 50

Time Pay Plan: 545.25 ca»h and 12 mo# al 512.53/mo.

TERRIFIC BARGAINS in

^ . • CONSTANT-YOLTAGE

^ TRANSFORMERS _x j End fluctuating linę

H || ^ voltage!

' '* “ Sola. Raytheon. G E.

5ola 30768 (Picti.red abov#) 2 KVA• 95-125 or 190-250 v, 60 or 50 Cy 1 ph, to 115 v ±»o# 017.4 a

Set ^wł, °. ,^{lttt ,ob}, .^Ło‘ rT'7: $147.50

Sola 30 71 o: Same a# at>ove e*cept CApac. bo* mtd. Abov# .notejd ol alongtide; l«ii Hoor ppace C14 1 CA Shpn wt 260 Ib# lob NArri%bur«|. Pa...... i I B I i3U

Raytheon 3 KVA: 230/440 v 1 ph 60 cy. #t#p# down to 117 v !!•/# 0-25 6 C #Or inpul# 180-270 or

U?°h*⁴° ^V* ^{5hM 3,4 ,bl} Ogden. $ 1 47 50

G.r 2.3 KVA: 57-63 cy 1 ph. 100-1)5 v. in. to link.

• witch ##l#cted 113/115/117 v ± 2> «t CIO CA Conitant lreq. 5hO<j 594 Ib# lob 5#a(tle Wn. 4I#J#0U

Sola 301110 I Vj KVa: 58-62 cy l ph. 95-125 v in. to 115 v Ol) a. 220 Ib# lob CCX(X C A

Newark. New Jrr#_ry....................02 Ji JU

SCHEMATICS—CON VER$IONS

FOR SURPLUS GEAR

Send stamped addressed envelope for NEW lis! E; has many new items. Includcs many Tech Manuals.

O? i/TOOA°Y! ^{Chai1 expla,nin8 AM} Nomenclature.

•Minimum monthly payrnmi 1, *6.00. Combm, wi.H

#c óa/”™'⁴ from thi# advertii< ment to encerd

• / mo.

COMMUNICATIONS RECEIVER BARGAIN

O AQ. Navy*# long-Range OF. 14 lube#. 1.5-30 n# c in 4 band# with lO-turn band-*pre.id logo-ng d*al u> covrr each cal.brated band. Ha# built-m ac Power fupply for 120 v 60 cy. NIW, with tche- CQQ CA

matlc. FOm Norfolk. Va. Only .........

Time Pay Plan: 59.95 Ca#h and 12 mo#. at 58.36/mo.

HV POWER SUPPLY FOR ANY 5" SCOPE

OAQ‘# CFT-20169 tupplie* 1800 vdc 2 ma. hitered: 4l#0 ha# 6AC7 drfl. coil ampl. and VR #upply for it. Input 120 v 60 cy. New. w/*cnemat»c. Cli RH

FOS Norfolk. Va.. on ty................u I liOU

• Time Pay Plan- 51.75 ca#h and 12 moi. at 51.47/mo

$850 TEST OSCILLOSCOPE FOR ONLY $69.50

T5-34/AP. The Armed Forcc#* accepted fUndard to #ee a puls# a# .t realiy I#. Video re#pon#e 11 cy to 3V5 mc. Ute «or Colbr TV. Ready to «i© on 105/125 v. 50/1200 cy. Ha# all ttandard facil •••##. with •w cep# 10 cy to 50 kc. PIUS AutomatTc-trlogered #wcep to #how random or recurrem pu'#e« one per #weep. Compact, but the len# «#»ve# 5* p.cture

equ-vaience. Ikc. u#ed. checked out OK. m it# c4rry-

• ng tuitcate. with reprint ol the mott important 16

nage# ol the teCh manuał. CCO CA

5hp<j wt 40 Ib# fob lo# Angele#. ONLY. .

• Time Pay Plan: 518.50 cath and 12 mo# at 54.76/mo,

YHF-UHF MICROVOLTER SIGNAL GENERATOR

—LAF.2. 90 600 MC aCCU-

raie to !•#: le#t than ,l®o drilt. 8olometer-Briiieie-me-tered CAtlRRATIO 50-Ohrn output CW or mod.. 1 uv to .1 y. leak# let# than 1 uv. C*t. pulse or #ine mod., Of mt. rect.-wave mod. O-IOOH. 2*30 u-#ec wd. 60-2500 PP#. May al#o u#e e*t tync w.th ad>. deiay # 3*300 u-#ec before #ync tire# • nt. wjve. May al#o be uird to #ync e*t. eQM*pment. Worki on 105/125 vOlU. 50/60 cy. f*c uted, checked Out. w/ca!*bration Chart# and repr_tl»| ol the n_reoed part# ol the Tecn.

manuał. FOS Lo# Angele#. Grot# IOO lb%. S89.50

Time Pay Plan: 525.00 C4#h and 12 mo# at S6.02/mo.

GROUND TO AIR . . . OR 220 MC AMATEUR BAND

MAR. 225*390 mc. lunę# down to 220 mc. R«#ivcr* Tran#mitter. AM v₀ice and mew. 10 W to antenna. 10 cry#tat# pluo into IrOnt panel, fach contro'# One chan-nel for both rcvr 6 *mtr. One knob on Iron! panel te leci# *ti and Autotone mKhannm. Work# on any ol the loildwln*.: 12. 24. 110. 2)0 v dc and 115 or 2)0 v. 60 cy. U*e it »n a truck. boal. »*ome. or A«rpo#t. All you nerd are *11%. mikę. phone#. pług#, antenna. Metered tune-up 52 ohm antenna 50 pług. 1 W. 600 ohm phone jaCk. 4 IF #tage«. Adiu#tabie #qwelch. Completr with all 24 lube#. 2C39 bnal. Pair 616C mod. to 100°o* Verw late de#.gn. In 3 waterprool aium>num ca#e#. each 21 Va **4. 18 W dp; to'al

ttaCked he.ght 30*. W»th #chemati«#. operatmg. and tune-up in#truction#. 5hpg wt 250 Ibt lob Hartford. Conn. U#ed. but in e*C. condifion. Acq. CCQ CA

co#I 57000 00. You Pay only..........

• Time Pay Plan: S18.SOca#h and 12 mo# at 54 76 ‘ mo.

RT-18/ARC-1

IO c ha»nr* nt I -control led «# « -.JS

A ulotu nr *mtr-rcvr IOO 156 11 PipglW '4>*' -

mc. Faeorite lor Oight. no* I IT V T^Llri»T i H available to amateur. F»port ■

packed by NavAer in ab- I . * _|t> , ■

tolutely Iike-new conditron. I A /f. - . , W

With #chematic. Shpg 85 L 4 ^Wv5V* |

Ib# fob Corput fJA CA o’

Chritli. Tr.ii .. - <* f

• Time Pay Plam 512.75 • • nf.i +»&

ca#h. 12 mo# al S3.43/mo.

California Buyer# add 4<V'o Sale# Ta*

R. E. GOODHEART CO.

P. O. Box 1220A

BEYERLY HILLS CALIFORNIA

RECEIYER/RF PRESELECTOR/RF AMPLIFIER ^----^ V TUNES 550-32,000 KC

■--J¹-----V CMC-50063 PfC.fl.ełO.

^ ' ‘ * k'—• 14 New, clean. In lactory pack

I • w.th tech. manuał. TRF lun-

r* er/amplifier to improve any

receiver. Add «tl d ode m #erie# with head#et acrot# ⁹⁹ output and it 1# a eon.piet#

receiv#r for SC. SW. C»ti* aa • — irni. With 25 mml in#tead

sR 'Tl X °^# hcad#et. it i# a H»*Fi

^ w/ LX tuner. A# a Pretelector. it

• ^ j i# A powerful ««gn.il boo#ter.

_m. / add# 20-25 db #en#itivity.

1 O #eiectivity and

^v J- yOj? •/ #ignal/no«#e r#t»o. and Cul#

^---- _ ■ 'i'i ^lW .] image to 1/50.000. Com-

- f piete and #oif contamed.

* h. IOVa* w. 13- d

OA. Nel 19 Ib#. Inpul 120 v. 60 cy. Inciude# rect..

2 -6K7. 3 #et# of 6 RF *frmr# (Ant.. 2 RF|. 6-#ect lunlng gang, bana #w.. gain cpntrol. ard in-Out #w. 40:1 rat«o vr»nirr lunano. Large illuminated d«al ac-curately cal*brated m 6 Overlapping band#, plu# a 6 Va long. 180-d • v«# ion logging #C.»le. Inpul for double! or lead/ground: o«*tput 100-300 Ohm#. ShPg COQ AC wt 30 Ib# lob StocMon or Seattie. ONlT... ^‘5.53 • Time Pay Plan. 54.45 ca#h and 12 mo# at 52.38/mo.

OYNAM. MUTUAL-CONDUCTANCE TUBĘ TESTER

I* 1 77-8: Recognicmg that a tubę ,-- ,

te#ter i# only a# good a# the oata ( 1 1 I

and socket# auailable. w_r went f iJ J . f

to Orrat e*pmir to reProduCe the j L* | I

iate#t data book (March 1957) i [ (Ł

and to prmt diagram ol simpłe ] oH

#ocket adapter kit. plu# the mo#t I Nł M

important part# of the tech man*

wal. With the adapter, you will

te#t 9 p.n 5687. 12AX7. etc.. . .T*

Plu# *m|g tubę# #uCh a# 8 32 A. 3 ; *

8298, etc. Cvery #l»ipment will R ♦ 7* |-ł ^ T

• nelude the literaturę. 25 Ib# h * ' •‘y

S29.50 rs^- /

•Time Pay Plan. 57.75 ca#h and 5. ■ ■■ •*

12 pay ment# ol 52.03 per month.

Brand New. in or.ginal packing. $37 50

•Time Pay Plan: 53.75 Ca#h and 12 mo# al 53.15/mo.

TUNING-FORK STANDARD FREOUENCIES FROM AMERICAN TIME PROD. UNUSED MODULARS

, CombinJt.on l( NCH

r-. X' -Z- PO W1R SUPPLY 6 400

^ CT Standard M od M

T - 400 A 100 Cy fork

_m\ Wj- “ .OOl °K U 2 6AU6

” :** •uppliod by VR150 fc

. **• r 5 U 4. slgnfl thru ampli*

Vi U: tude control to 6V6GT

B WWhrti^<,:‘.^>.t». sl i *l»mr to Hi-ln»prd..

^ 16. 8 6 8 blnding

Kii #»r».#«M.;TJ Po#t#. Other bmdmg

p»;r /•riMi.eia po#t# 9»ve: Filtered dc

" — 390 v <no toad) reduc*

_# .ble by 1S00 ohm rheo-

J#tat in serte# with AmccI ■ 500 ohm* eHect*ve

. ternal r<#i#lancei take

■ out up to 120 n»a. Ai*o

6.3 v ac. 4 A. 6 2 i*Olated 7 v ac. 1 A each. Ali control# and output# on front panel. 6** wd. 9* h, 14** dp. Inpul 50/60 cy at 95/11 7/ 1 30/190'210/2*4/260 v. NfW. Tested and ouaranteed. W.th schemattc 40 Ib*. Ra.lCa *ob lo# Angele*. $97«50

T.me Pay Plan: 524.75 Ca»h and 12 mo* al S6.79/mo.

1000, 500, 250. 125,

& 62«/i cy 2: .02% fł | --^

7^m * 4**. 1 kc plu«i*»n I |. | (Tli JT

lork r200). 7 12AT7*#. 1 I <| llfl

and 4 Waik.rt piu9-m I <1 ■ 4 Q ! (

b.nary li.p-liop COunt- 1.9 I 9 1 J |

down*, each u*abie Irom l,*9 B VJ I ,1 I I I

25 keto O. NfW. Tested 1,1 f7|P | lTl J V>7

and guaranteed. ready to [1 111 .i| i i

u#e. Rcqu«r#* eaternal C.l J|l. ** •

250-300 v.d.«.. 35 ma.. Jkft III * ^ IJ