(Osram Audio Output Valves Advert)

▼ Menu

Home Search Indexes Equivalents Articles Adverts & Boxes Timeline Collections Donate Contact

Wireless World, May, 1954.

Valves Advertised:

N78, N727/6AQ5, N108, KT33C, KT66 & KT61.

Extras ▼

Use browser back button to return.

adv-1009