DescriptionJakeBrake.jpg English: "JakeBrake" by Jacobs Vehicle Systems Date 5/10/2011 Source Jacobs Vehicle Systems Author This file is lacking author
circa-1970s-vintage truck indicating a Jacobs engine brake. Low-resolution photo. Small print says "ENGINE BRAKE DIVISION" and "MANUFACTURING COMPANY". Fair use
DescriptionNo Jakebrakes within city limits.jpg English: Unadilla city limit US41NB, Unadilla, Dooly County, Georgia Date 4 September 2016, 11:34:59 Source