English Animation of a four stroke internal combustion engine Persian طرح متحرک یک موتور احتراق داخلی چهار زمانه، اصل اتو: حرکت مکش - هوا و سوخت بخار شده
This image is a derivative work of the following images: File:Batrep01.gif licensed with PD-USGov 2007-03-29T08:13:31Z Anynobody 748x1092 (29282 Bytes)
B. [from old catalog] Title Practical hand book of gas, oil and steam engines, stationary, marine, traction; gas burners, oil burners, etc.; farm, traction