Dosiero:Deforest.jpg

El Vikipedio

El la angla Vikipedio: Lee De Forest, published in the February 1904 issue of The Electrical Age.

Public domain

This image is in the public domain because its copyright has expired in the United States and those countries with a copyright term of life of the author plus 100 years or more.

Dosierhistorio

Alklaku iun daton kaj horon por vidi kiel la dosiero tiam aspektis.

Dato/HoroUzuloGrandecojDosiergrandecoKomento
(nun)23:58, 23. Jun 2005Le Hibou (Diskuto | kontribuoj)245×34112 KBEl la angla Vikipedio: ''Lee De Forest, published in the February 1904 issue of The Electrical Age. Public domain This image is in the public domain because its copyright has expired in the United States and those countries with a copyright term of life

La jenaj paĝoj ligas al ĉi tiu dosiero: