TRIODE
Inventory NumberVT2481
ClassificationVacuum Tube
Maker
AudioTron Sales Company
1915 - 1920
Maker
Radio Corporation of America
1919-present
AudioTron Sales Company
Date: 1916-1920
Object number: VT0249
AudioTron Sales Company
Date: 1920-1930
Accessories: red cardboard cylinder case
Object number: VT5194
Columbia Electronics Sales Company, Div. of Columbia Broadcasting System, Inc..
Object number: VT4842
Columbia Electronics Sales Company, Div. of Columbia Broadcasting System, Inc..
Object number: VT4841
Tavella Sales Company
Date: copyright 1934
Accessories: black leather case with snap closure, instruction manual (in file)
Object number: 2003-1-0244
Tavella Sales Company
Date: dated 1944
Accessories: brown fabrikoid case; postmarked order form and advertisement for Mascot slide rule
Object number: DW0968
Tavella Sales Company
Date: copyright 1934
Accessories: instruction booklet (in filet); semicircular black fabrikoid case
Object number: 1990-4-0001
American Automatic Sales Company
Date: 1910-1920
Object number: 1989-0005
Air Reduction Sales Company
Object number: RS0618
