Lee De Forest Autogramm  ID:5038205
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  • Lee De Forest Autograph | ID: 5038205

Lee De Forest Autograph

Details:

Signed album page mounted

Regular Price: CHF150.00

Special Price CHF119.00

Details

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.

Additional Information

SKU 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)
Condition very fine
Type of Autograph cards / album pages
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Special Price CHF119.00