| Playlist: | Documentary |
| Category: | General |
| Added By: | playman |
| Date Added: | October 13, 2009 |
| Video description: Nikolaus August Otto’s vital idea, which led to the four-stroke engine, was to use compression. | |
| Rating: |
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| Tags: | car engine milestones otto four stroke engine engineering |
| Views: | 116 |




























































































































































































































