Demonstration of puncture proof tyres and what antipuncture compound looks like.
C.U. Tyre going over nails sticking out of board. C.U. Drill boring hole in tyre. S.C.U. Drill boring hole in tyre. S.C.U. The special viscous compound being pumped into tyre C.U. Lid is lifted off container to reveal the treacly anti puncture compound. C.U. Tyre before going over nailed board C.U. Pan from nailed board to tyre. C.U. Hand handling the treacly compound.
(Mute. Neg.) (Selected Scenes 48/87.)