Vacuum tube type 12AX7 with color graphic box
LE-HI Electrical Company
||Printed on side of tube and top of box
box: 2 3/4 in x 1 in x 1 in; tube: 2 1/4 in x 7/8 in x 7/8 in
This miniature tube has 9 connector pins. The box reads " LE-HI RADIO TUBE / LE-HI ELECTRICAL COMPANY / 660 BROADWAY / NEWARK 4 NJ".