III · Science
Theory of gearing
Subjects
Gearing · SCIENCE / Mechanics / General · TECHNOLOGY & ENGINEERING / Mechanical · TECHNOLOGY & ENGINEERING / Industrial Design / General · Engrenages · Gears
Language
ENG




![Cover of [William Wheeler Hubbell, authorized to apply for patents.] by United States. Congress. Senate. Committee on Patents](/img/cover/10200621-M.jpg)
