vacuum tube

Hytron Radio and Electronics Corporation

Object number: VT3984

Hytron Radio and Electronics Corporation

Object number: VT3985

Hytron Radio and Electronics Corporation

Object number: VT3986

Hytron Radio and Electronics Corporation

Object number: VT3987

Hytron Radio and Electronics Corporation

Object number: VT3988

Hytron Radio and Electronics Corporation

Object number: VT3989

Hytron Radio and Electronics Corporation

Object number: VT3990

Hytron Radio and Electronics Corporation

Date: 1953-1954

Object number: VT0027

Hytron Radio and Electronics Corporation

Object number: VT0062

Hytron Radio and Electronics Corporation

Date: 1929

Object number: VT0162

Hytron Radio and Electronics Corporation

Date: 1944

Object number: VT0741

Hytron Radio and Electronics Corporation

Date: circa 1960

Object number: VT0950