ANCIENT CRYSTAL MAKERS LIST

[Marshall M. Dues]

1. Leeds Vibrant Quartz Crystal Type LDS; $3.50

Leeds Radio
45 Vesey St.,
NYC, New York
Tel. COrtlandt 7-2612
Cable Address: "RADLEEDS"
QST magazine, October 1937, page 66

2. PR Crystals, X cut 7000 KC +/- 5 KC,   $1.85
3500 or 1750                           $1.65
Low Drift +/- 5 KC 40 - 80 - 160       $2.20

Petersen Radio Co
Council Bluffs, Iowa
(Formerly Omaha Crystal Labs.)
QST magazine, October 1937, page 96

3. "Quartz Crystals - All types. Low Temperature Coefficients. X and Y
cuts. Holders. Ground to any practical specifications.  We can furnish
crystals for new 28.5 to 30 megacycle bands; prices upon request.  Write
for particulars" (adv)

Bellefonte Radio Eng. & Mfg. Co.
Bellefonte, Pennsylvania
QST magazine, October 1937, page 110

4.  HiPower Low Drift Crystals,
"NEW holder design, 15 seconds to install crystal.
For All Bands. Greater Stability. Plugs in 5 prong tube socket.
Beautiful appearance.  At your dealer or direct.
Within 10 KC or Choice of stock:
        Model AH Holder, $1.00
        AH-10, 1700-3500 KC bands  $2.35
        AH-10, 7000-7300 KC band   $3.90
Approved by F.C.C.

Hipower Crystal Co.,
2035 Charleston St.,
Chicago, Illinois
QST magazine, October 1937, page 111

5. Precision Crystals, type LTC

Precision Piezo Service
427 Asia Street
Baton Rouge, Louisiana
QST magazine, October 1937, page 114




Brian Carling wrote:

> In working through some of the many crystals I have come across
> I see many names. Some old, some new. Quite a few that I had
> never seen before. I woiuld bet some BA enthuusiasts know a little
> untold history about these comopanies that ought to be preserved.
> I think it would make an intersting article for Electric Radio.
>
> ANCIENT CRYSTAL MAKERS LIST
>
> I am amazed to find out HOW MANY companies have put their
> names on crystals over the years. Do you know of more?
>
> These names will likely be lost to obscurity in a few years
> if we do not somehow memorialize them here or in our publications.
> I count over 75 companies so far, although I suspect some were
> duplicate outfits operating under different names.
>
>
> Aircon Manufacturing Corp. (Kansas City, MO)
> B.E. Co., Beaumont Electric (Chicago, IL), BES Co.
> Blilely Electric Co. (Erie, PA), Bodnar Labs
> Cambridge Thermionic (Cambridge, MA), Carlisle Crystal Co.
> Cathodeon Crystals Ltd. (Linton, England)
> Cecor (Kansas City, MO), CB-VJ, Crystal Labs (Wichita, KS)
> Crystal Products, Crystal Research Lab (Conn)
> Crystal Research Laboratories a.k.a. CRYSTALAB
> CW Crystals (Marshfield, MO), Daughetee Mfg. Co.
> DX Xtal (Chicago, IL), E.B. Lewis Co., Eidson Electronic Co. (Temple, TX)
> EICO (Brooklyn, NY), Elec. Prod. (Oakland, CA), Federal Telephone Co.(Newark,
> NJ)
> Franklin, General Electric, Gentleman Products (Omaha, NE)
> H.L. Inc., International Crystal Manufacturing (Oklahoma City, OK),
> JAN Crystals (Ft. Myers, FL), JK Crystals (Sandwich, IL)
> John Meck (Plymouth, IN), Keystone Electronics, Keystone Piezo
> Link Radio, Majestic Radio (Chicago, IL), Master Crystal Labs (Los Angeles, CA)
> Monitor Co. (Pasadena, CA), Monwatt Electric Corp., Motorola (Chicago, IL)
> MP Company, Northern Engineering Laboratories (Burlington, WI)
> Pan Electronics (Atlanta, GA), Peterson Radio Co. (Council Bluffs, IA)
> Polytech Devices, Precise Dev. Co. (Chicago, IL)
> Precision Apparatus Co. (Elmhurst, NY), Premier Crystal Laboratories
> Radio Specialty Manufacturing Co. (Portland, OR)
> Radiomarine Corp. (New York, NY), Ray Jefferson Inc. (Freeport, NY)
> RCA Corp., Rex Bassett Inc. (Ft. Lauderdale, FL), Ross Mfg., Savoy Crystals
> S.C. Co., Scientific Radio Products, Sentry Crystals, Silver City Crystal Co.
> Somerset Labs, Standard Piezo (Carlisle, PA), STD, Tedford Labs, Telicon
> Texas Crystals (Ft. Myers, FL), Texas Crystals (River Grove)
> Turner Co. (Cedar Rapids, IA), Union Piezo, Universal Television (Kansas City,
> MO)
> U.P Company, U.S. Crystals Inc. (Los Angeles, CA), Valpey (Hollston, MA)
> Wonder Lite Co. (West Orange, NJ)
>
> Who am I missing???
>
>

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