Introductory intertitle reads: "First, man made a million volt 'bolt' - then came the two-million spark - and now the masterpiece in that search to break the atom, 10,000,000 volts!"
Interior of a laboratory where they are creating "man-made lightning". Men are dwarfed by the machines which...
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.
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.