Helkama HR-3D 7920W 





Helkama HR-3D 7920W
Helkama HR-3D 7920W
Sn: 830XX
Tubes: ECC85, ECH81, EF89, EABC80, EL84, EM80
Dimensions: 581 x 336 x 265 (mm)
Year: 1958?
ID: 0617