File:Lewis-Hine-Power-house-mechanic-working-on-steam-pump-1920.jpg: cronologia delle modifiche

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Legend: (corr) = differenze con la versione corrente, (prec) = differenze con la versione precedente, M = modifica minore

Ricavato da "https://www.edueda.net/index.php?title=File:Lewis-Hine-Power-house-mechanic-working-on-steam-pump-1920.jpg"