[Test-Equipment] part nos

[J. Forster]

GenRad, Shallcross, ESI a Weston for sure.  GenRad are often not coated,
Shallcross are often red Glyptal.

FWIW,
-John

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> does anyone know the test equip mfgr that uses a four digit no 6981 plus
> xxxx to identify part nos?
> I inherited a large quanity of ww resistors and some have nos but other
> not.
> The resistors in question are flat ww wound on mica substrate with radial
> leads  some are coated with a gray rubber like compound.come on, scratch
> yr heads.
> jack