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Rectifier tubes type ML-1E

Rectifier tubes type ML-1E

1950-1951
Rectifier tubes type ML-1E

Rectifier tubes type ML-1E

1950-1951
Rectifier tubes type ML-1E

Rectifier tubes type ML-1E

1950-1951
Rectifier tubes type ML-1E

Rectifier tubes type ML-1E

1950-1951
Two x-ray rectifier tubes, French pattern, in case, by A. Gaiffe, Paris, 1900-1910 owned by Dr. A. Bruce, Edinburgh, 1900-1910

Two x-ray rectifier tubes

1900-1910
Four rectifier tubes type ML-1E, by Machlett X-Ray Tubes (Great Britain) Limited, Wembley, London, England, 1951-1977

Four rectifier tubes type ML-1E

1950-1951
Thermionic rectifier tube for x-ray use, by Philips, made in England 1923-1945

Thermionic rectifier tube for x-ray use

1923-1945