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K A 01O DIGEST — Illustrated
March JO, 192U
cNew Triumphs of l\.adio Invention £New Terformance H&cords
'There's a Radiola fir every purse"
$35 to $425
V
MODEL t
PRICE
approximate Range
Type of
ANTENNA
Degree of selectivity
Radiola III
With two WD11 Radiotrons* and head telephones.
*35
Up to 1500 miles with headphones. Local stations on Loudspeaker.
Outdoor or indoor antenna
I mproved selectivity. Minimum radiation.
Radiola Balanced Amplifier
To be used with Radiola III. With two WD -11 Radiotrons.*
$30
Gives Loudspeaker operation with Radiola III up tol500miles under favorable conditions.
Outdoor or indoor antenna
Radiola III-A
with four WD11 Radiotrons,* head telephones and Radiola Loudspeaker.
Same without Loudspeaker.
*100
■'$65'
Loudspeaker operation up to 1500 miles under favorable conditions.
Outdoor or in* door antenna
Radiola Regenof lex
with four WD11 Radiotrons.* and* Radiola Loudspeaker.
Same without Radiotrons or Loudspeaker.
*206
"*150
Loudspeaker operation up to 2000 miles under favorable conditions.
Outdoor or indoor antenna
Improved selectivity. Minimum radiation.
Extraordinary
selectivity.
Non-radiating.
Radiola X
with four WD-11 Radiotrons.* Loudspeaker built-in.
$245
Loudspeaker operation up to 2000 miles under favorable conditions.
Outdoor or indoor antenna
Radiola Super Heterodyne
with six UV199 Radiotrons' and Radiola Loudspeaker.
Same without Radiotrons or Loudspeaker.
*286
Loudspeaker operation up to 2000 miles with internal loop. With external loop up to 3000 miles under favorable conditions.
No antenna. (Concealed small loop built into set )
Extraordinary
selectivity
Non-radiating.
Superselectivity. Non-radiating
full dweripde ^coupon for an iilustr: stalled description or every set.
Radiola Super=VIII
with six UV-199 Radiotrons. * Loudspeaker is built-in.
>425
Loudspeaker operation up to 3000 miles under favorable conditions.
No antenna. (C oncea led large loop built into set)
t AM Radiolas sold without "batteries.
* Only dry batteries used.
RADIO CORPORATION OF AMERICA 233 Broadway, New York 10 So. La Salle St , Chicago. Ill
433 California St., San Francisco, Cal, Dept. 173. I Address office nearest you] Please send me your new free Radio Booklet Name
Radio Corporation of America
Street Address
City
State
. F. D.
Soles Qflides: 233 Broadwav, New York 10 So. La &dlc St., Chio>Ko, 111. ,433 California St.. San Fr;
Superselectivity. Non radiating.
REG. U. S. PAT. OFF