Oakland, California: Walker Parccar Co., 1930s. Illustrated advertising pamphlet for the Walker Parccar Parking System, a clever mechanism that, when attached to the undercarriage of a vehicle, allows the driver to swing it into even the tightest of parking spaces. Includes photos of the product in use, as well as diagrams and an explanation of how the product works. Measures by 9" by 3.75" folded, 9" by 14.75" unfolded. Very good to fine; stain to verso.