VOLUME 1  |  APRIL 1, 1948  |  NUMBER 7  |  MODEL 18 SERVICE NOTES AND CHANGES  |  GOODYEAR 11.00 X 12 BRAKES The Goodyear Tire and Rubber Company, Inc., has informed us of an improvement change which has been made to the 11.00 x 12 brake discs, used on the Model 18.  Instead of machining […]