Inventions / Salariya, David

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609

Inventions

Submitted by khenkes on Fri, 12/27/2019 - 10:15

Surveys inventions throughout history in relation to the needs, skills, and technologies of the people living at particular times.

Submitted by khenkes on Tue, 07/18/2017 - 08:37

Surveys inventions throughout history in relation to the needs, skills, and technologies of the people living at particular times.