CD 100.6: USA

2 1/8" X 3" (54mm X 76mm)

 

HEMINGRAY E-1 // MADE IN U.S.A.

 

Picture Courtesy Bob Berry

2 1/8" X 3" (54mm X 76mm)

 

No markings (Hemingray product)

 

Picture Courtesy Dario Dimare

2 1/8" X 3" (54mm X 76mm)

 

PYREX TM REG US PAT OFF // MADE IN U.S.A.

 

Picture Courtesy Dario Dimare

Mid Span Transposition style made by Hemingray & Corning (All known Hemingray examples recovered from the Hemingray dump).

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