1950s: UNITED STATES: two boys look through books in library. Trends in automation title in book. Copyright date in book. Hands close book. Hands open book
1950s: UNITED STATES: two boys look through books in library. Trends in automation title in book. Copyright date in book. Hands close book. Hands open book
1950s: UNITED STATES: two boys look through books in library. Trends in automation title in book. Copyright date in book. Hands close book. Hands open book