Lee De Forest Autogramm  ID:5038205
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  • Lee De Forest autograph

De Forest, Lee


Signed album page mounted

Regulärer Preis: 150,00 CHF

Special Price 99,00 CHF


Signed album page, 4,5 x 2, mounted for display with a photograph, shows Lee de Forest as inventor (altogether 8,25 x 11,75 inch), signed in dark fountain pen, in very fine condition.


Artikelnummer 5038205
Profession American inventor - invented the Audion, a vacuum tube that takes relatively weak electrical signals and amplifies them
Geburtsjahr 1873
Sterbejahr 1961
Size in inch (1 inch = 2.5 cm) 4,5 x 2 (altogether 8,25 x 11,75)
Berechnungsgrundlage very fine
Type of Autograph cards / album pages
Expert comment Keine Angabe
Wikilink More information on Wikipedia
Sonderpreis 99,00 CHF