July 1972 Shop Tips from Autolite Ford Vol. 10 No. 11. Technical parts and service information published by the Autolite-Ford Parts Division and distributed by Ford and Lincoln-Mercury dealers to assist servicemen in Service Stations, Independent Garages, and Fleets. Emission Control Systems... Part 1. Index: Emission Control Systems, Part 1, Warranty Service Requirements, Introduction-IMCO, Inlet Air Temperature Regulation, Thermostat Operated Type, Vacuum Operated Type, Idle Limter Caps, Idle Speed Throttle Solenoid, Choke Pulldown System (Staged), Decel Valve, Dual Diaphragm Vacuum Advance, Distributor Vacuum Control Valve, Spark Delay Valve, TRS System - Operation, Diagnosis and Testing, TRS Diagnosis Chart. Condition: Tear in last few pages. See pics.