This publisher was printing these books in the late 1800's and on a number of subjects. The subject matter of these 24 books is car repair and they are all dated 1928. 121 is Automobiles and Automobile Engines; 122 is Automobile Engine Auxiliaries-Carbureters; 123 is Forms of Carbureters; 124 is Transmission and Control Mechanism; 125 is Four Wheel Brakes; 126 is Automobile Bearings and Lubrication; 127 is Automotive Tires and Vulcanization; 128 is Electric Ignition-Battery Systems-Care; 129 is Magneto Ignition Systems-Care and Repair; 130 is Starting and LIghting-Lighting Devices; 131 thru 134 is Starting and Lighting Systems; 135 is Armature and Field-Coil Rewinding; 136 is Storage Batteries and Service; 137 is Storage Battery Equipment-Troubles; 138 is Storage Battery Testing-Operations; 139 is Battery Overhauling-Special Operations; 140 is Overhauling of Automobile-Engine Cylinders; 141 is Valve Adjustment and Repair; 142 is Front End Drives--Cooling Equipment; 143 is Engine Troubles--Bearings and Shafts; 144 is Transmission and control Mechanism. They are illustrated. The published date is 1928 in all of the books. They are all usable and for the most part appear to not have been used--at least not in a garage atmosphere because they are clean inside and out. We must collect 6% Pennsylvania Sales and Use Tax at checkout. Thanks for stopping by!