Titles read: "THE EMOTION MACHINE".
Various shots of a man wired up to a strange contraption and has his reactions in the hand, heart, neck arteries and blood pressure recorded when relaxed and then when a claxon sounds suddenly. A doctor makes notes and four needles...
Experiments using electricity to shatter different kinds of materials.
A large power press crushes a tree trunk, a watch face and a riveted joint.
Footage of Scientist experimenting with coal dust in laboratories.
Machines which make "man-made lightning" are demonstrated.
Harmonograph recording two or more connected movements is presented at G.W.R Show.
Proposals for construction 'perpetual motion' machines - none of them works.
Road safety campaign for children in London.
Ghostly white shapes emerge against a black background - no soundtrack.