TUBE TESTERS

VOLLNETZ 35A

EXCELSIORWERK Leipzig, Germany, 1935 year

The Excelsiorwerk company was founded in 1908 and based in Leipzig.

Source: Željko Ulip

Röhrenprüfgerät WE 250

Joseph Neuberger-Muenchen, Germany, 1939 year

Source: Lovre Savin, donation Sanja Acalija, Dominik Žanić

US Military I-177-B Vacuum Tube Tester

MILITARY U.S. (different makers for same model), Year 1944

Source: Lovre Savin, donation Sanja Acalija, Dominik Žanić

VOLLNETZ 46

EXCELSIORWERK Leipzig, Germany, 1946 year

Source: Dubravko Rogale

SAFAR PROVAVALVOLE TIPO P.V.11

SAFAR (Società Anonima Fabbricazione Apparecchi Radiofonici); Milano, Italy

Year 1946

Source: Lovre Savin, donation Sanja Acalija, Dominik Žanić

ELECTRONIC TUBE / VALVE TESTER HICKOK TV-7/U

Manufactured in USA, year 1953

Source: Marijan Neralić

ELECTRON TUBE TESTER iV-21

Unknown producer, former Yugoslavia. 1955 year

Source: Krešo Jesteršabek

TESLA TUBE – TESTER BM 215A

Tesla; Praha, Bratislava, Czechoslovakia, Year 1959

Source: Krešo Jesteršabek

TUBE CHECKER HEATHKIT Model TC-3

Manufactured by "HEATH COMPANY", Benton Harbour, Michigan, USA, year 1958

Source: Dubravko Rogale

TUBE CHECKER HEATHKIT Model IT-21

Manufactured by "HEATH COMPANY", Benton Harbour, Michigan, USA, year 1961

Source: Dubravko Rogale

VACUUM TUBE TESTER ISKRA MA 4650

Manufactured by "Iskra", Slovenia, year 1965

Source: Dubravko Rogale

Provavalvole Provatransistori 891

Chinaglia Dino Elettrocostruzioni; Belluno, Italy, Year,1966

Source: Krešo Jesteršabek

VACUUM TUBE TESTER EMC MODEL 211

Manufactured by "Electronic measurements Corp”, N.Y.C. U.S.A, year 1967

Source: Krešo Lerota