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156-4
RADIO BROADCAST ADVERTISER
\ \ | / / No 1812 _
Certificate! pf pyarantee
This tube is ^u^ht^ vtar^v^'iatisfactoiy service
or 60 das* """"^ , °!« ^
Should it fail todo &o. ^mum fid us^tigether with
is certifiral&for aduip|f>nt [...^^ ■
Dealer s.asgjoiot a^te.^Tn^$e replacements No adjustr^rjt *vtf( %^^^\iii\ess tube aceompaefi this slqS^^-y y| ||
Date p^e/..|^^C.^
BRIGHTSOIsT L^BORkTORIES, Inc
73 Winthrop Street ~: Newark, N. J.
Is
Mr. George E. Brightson
True Blue Satisfaction
BEHIND the above guarantee of Brightson Laboratories, Inc., stands the national reputation of Mr. George E. Brightson, Founder of the Sonora Company, and who now as Founder and President of the Brightson Laboratories, has set a new standard of perfection for radio tubes which promises to make the True Blue Tube duplicate, in the radio field, the unparalleled growth of business and reputation attained by Sonora phonographs in the talking machine industry.
Mail This Coupon To-day
BRIGHTSON LABORATORIES, Inc.
16 W. 34th Street, New York, N. Y.
Please send by Parcel Post
.. .BRIGHTSON TRUE BLUE TUBES, Standard
Type for 6 v. sockets. ... .BRIGHTSON TRUE BLUE TUBES, Power-Plus
Type for 3v. sockets.
For which I enclose $ I understand that I
can return these tubes in 10 days if not satisfied.
Name
Address
BRIGHTSON Tfm
Every True Blue Tube is numbered to correspond with its guarantee and if any manu' facturing defect causes it to function imperfectly, you may return it.
We Will Replace Any Imperfect True Blue Tube Returned Within 60 Days
Remember — True Blue Tubes make you the judge of perfect tube performance. There are no "ifs" "ands" or "buts" in this guarantee.
In addition to this unconditional guarantee, we accept your orders either at your dealer's or direct from us, sub' ject to a —
10-Day Return Privilege
This means you have got to like True Blue Tubes or you need not keep them. If, after you have tried them for 10 days, they do not prove more noiseless, clearer toned, more uniform and better in every way than any tubes you have previously used we will refund your money on receipt of tubes.
BRIGHTSON LABORATORIES, Inc.
Waldorf-Astoria Hotel
TUBES
^ Tested and approved by Radio Broadcast