RCA type 884 vaccum tube
||Printed on bottom of cardboard box
||Print on tube base
overall: 4 1/2 in x 1 1/2 in x 1 1/2 in; overall: 3 3/4 in x 1 1/2 in x 1 1/2 in
This is an RCA type 884 vacuum tube new in plain cardboard box. The first measurement is for the tub, the second for the box.