Show locking gasoline tank excellent safety plan gasoline thieves w will III bo be foiled by the fuel tank cap lock aock shown in the illustration tills this Is nn an ordinary small cabinet door lock which should berjv be riveted or screwed and riveted to the under side of the tank cap make blake durei sure that tho the lock does not project far TO CAP FILLER RIM W TANK TOs this fuel tank cap lock Is an erdl ordinary small door lock riveted or screwed in place under cap enough to interfere with placing the cap call on the tha tank mark where the 1611 b olt of the lock cornea comes when the cap Is tight down and cut a slot la in the inside of the opening into which it may drop when the key Is turned iopu flar aar science monthly |