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This drawing submitted by Eli Whitney for his cotton gin patent application could be used at the elementary level when discussing Whitney's invention and its impact. Students will be able to see what a cotton gin looks like and how it operates. This document could also be used at the senior high level when discussing patent applications.

This patent drawing by Eli Whitney for his cotton gin could be used at the elementary level when taking about the impact of Whitney's invention, or at the senior high level when discussing patent applications.