1960 Philco 6BQ5 tubes test very strong on eico tester.

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6BQ5 vacuum tubes, tested at 75 where 72-75 in new on Eico tester. These are Philco tubes code #260 with matching strength and 1960 date codes. Unusual tubes as RCA and Sylvania made tubes for Philco, and Philco made tubes for Amprex, Mullard and Telefunken, these have the Telefunken type color, and the ink thats as fragile as an old RCA and have the red tips !