Y61 GEC 6U5G Y63 6H5 Osram Tuning indicators “Magic eye” MINT NOS boxed

Y61 GEC GBP 40 pair.

Y63 Osram GBP 50 pair.

Description

Introducing two common tuning indicators of the 1930s.

The Y61 branded GEC  has a round screen having the central electrode looking like a black dot. Introduced in 1939.

The Y63 made by Osram was introduced two years earlier in 1937 and follows the same procedure.

All four valves mint and in working 9rder.

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