DescriptionUS952706-0.png English: Internal combustion engine Deutsch: Doppelkolbenmotor Date 28 January 1909 Source US Patent US952706A, http://www.google...
under the following license: This is an edit of public domain file US952706-0.png English Hebrew מנוע בעירה פנימית עם הזרקת דלק author name string: אילן...