اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
Author: Sutherland, George, 1855-1905
LoC No.: 02007549
Title: Twentieth Century Inventions: A Forecast
Alternate Title: 20th Century Inventions: A Forecast
Language: English
LoC Class: T: Technology
Subject: Inventions
Release Date: Feb 10, 2010
Copyright Status: Public domain in the USA.
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