Helkama HR-3D 7910W 





Helkama HR-3D 7910W
Helkama HR-3D 7910W
Sn: 791XX
Tubes: ECC85, ECH81, EF89, EABC80, EL84, EM80
Dimensions: 582 x 336 x 260 (mm)
Year: 1959?
ID: 1508