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History of the manufacturer  

Philmore Mfg. Co. - Ajax Products Co.; New York, NY

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Name: Philmore Mfg. Co. - Ajax Products Co.; New York, NY    (USA)  
Kompakt || Little Wonder
Abbreviation: philmore
Products: Model types Brand

Ajax Products Company

Philmore Manufacturing Company
105 Chambers Street in New York City, New York (1925)

Philmore Mfg. Co.
113 - 115 University Place, New York City, NY

Philmore Manufacturing Co., Inc.
130-01 Jamaica Avenue, Richmond Hill 18, New York (1950s)

Trade names: Ajax, Blackbird, Blue Bird, Kompakt, Little Wonder, Philmore, Supertone

In the November 1925 edition of The Radio Trade Directory on page 120, under the listing for manufacturers of crystal sets, the Philmore Manufacturing Company was located at 105 Chambers Street in New York City, New York.

Philmore Mfg. Co., Inc of the 1950s might or might not be the same company.

Philmore radio tubes were also made. Types 124 and 201A located.


Formed in 1921 as the Ajax Products Company and incorporated under the Philmore name in 1925.

Some models:
Country Year Name 1st Tube Notes
USA  60 TR-22A 2N136  Two transistor portable radio kit. Built-in loopstick antenna. 
USA  32 P4 58   
USA  32 P6 36   
USA  32 P7 58   
USA  32 P8 58  6 or 8 tubes? 
USA  32 PD4 39   
USA  26 Little Wonder Cat. No. 337 [earlier Bakelite]   terminals 
USA  26 Super, Little Giant, Supertone 336 [early Bakelite]   Philmore Super, Little Giant, Supertone, Super Radio Crystal Set, Cat. No. 336;Four screw ... 
USA  25 Crystal Detector 310 or 7003 (Ajax)   initially #310, later 7003. Fiber base. Earlier 310 had a larger molded base. 
USA  27–39 Super, Little Giant, Supertone [late Bakelite]   Philmore Super Radio Crystal Set, Super, Little Giant, Supertone; Fahnestock connectors. 
USA  26 Super Tone, Supertone 336 [metal early]   metal case. 
USA  26 Super [metal]   metal case. 


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