'For 10 years, this German worked in his free time, inventing the internal-combustion engine named for him'
(Rudolph) Diesel
THE SCIENCE GEEK: For 10 years, this German worked in his free time, inventing the internal-combustion engine named for him
For 10 years, this German worked in his free time, inventing the internal-combustion engine named for him
For 10 years, this German worked in his free time, inventing the internal-combustion engine named for him
THE SCIENCE GEEK
Rudolph Diesel
THE SCIENCE GEEK