E181CC Dario Miniwatt/IBM, pinched waist, D-foil getter, NOS, one pair

Description

Dario Miniwatt/IBM E181CC NOS from governmental stock.

Super rare find, real new, never used IBM E181CC.

These tubes feature a pinched waist, a D-foil getter and all come with date codes from 1957 or 1958. All tubes test with 100%+ on each triode system.

The E181CC was intended for use in early computers and  counting machines. We do have examples additionally printed “6211” so you might get an idea in what kind of arena these play.

We do have a small quantity and may try to match  pairs on request.

Picture shows example, we have more than one piece in stock and reserve the right to deliver pieces with different date codes.

Since this came in a 100 pieces factory bulk crate to us we do not have any original boxes. Tubes may have somewhat faded print.

All tubes are absolutely new, tested and guaranteed to be in perfect working condition.