4DT6 SCO pentode
Inventory NumberVT5134
ClassificationVacuum Tube
Subject
Maker
Westinghouse Electric & Manufacturing Company
1886 - 1945
Cultural Region
Place of Origin
Dimensions5.4 × 1.8 cm (2 1/8 × 11/16 in.)
Curatorial RemarksTwo independent Control grids
Westinghouse Electric & Manufacturing Company
Date: 1922-1924
Object number: VT0066
Westinghouse Electric & Manufacturing Company
Date: 1922
Object number: VT0342
