Acc.#1998.0191.16 Danko page 16 AC#667


DeForest Audion 1910-1912


55mm x 86mm; 85mm leads; 33mm diameter
Image of DeForest Audion


Introduction  1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17 




National Museum of American History


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