Regulating transformer
Regulating transformer, metal and glass, by E. Leitz, Wetzlar, Germany, 1950-1955
Electrical heating and cooling microscope stage with regulating transformer, metal and glass, made by Leitz, Wetzlar, German, 1950-1955
Regulating transformer, metal and glass, by E. Leitz, Wetzlar, Germany, 1950-1955
Regulating transformer for microscope stage
Component; Electrical heating and cooling microscope stage