Tube Tester USA Military Signal Corps I-177B ca. 1952
Tests most vacuum tubes from the 1920s to the 1950s, including audio, power, amplifier, radio, voltage regulato, and thyratron tubes. Data sheet updates are available on the web to test tubes up to the 1970s. Manufactured by Simpson USA. In good working order; I recently tested my stock of 250 tubes on it. The steel case is military-strength and in clean condition. Rare.
Dimensions: 39cm x 20cm x 14cm. Weight: 9kg. Input: 120V.
$100
Derrick 81813394




Tests most vacuum tubes from the 1920s to the 1950s, including audio, power, amplifier, radio, voltage regulato, and thyratron tubes. Data sheet updates are available on the web to test tubes up to the 1970s. Manufactured by Simpson USA. In good working order; I recently tested my stock of 250 tubes on it. The steel case is military-strength and in clean condition. Rare.
Dimensions: 39cm x 20cm x 14cm. Weight: 9kg. Input: 120V.
$100
Derrick 81813394