The luck machine

the long version

"The world is surrounded by intangible energies of which man has little knowledge. Electricity, once an unsuspected natural force, is now a known reality ... so why not luck? Once recognised as an actual force, the next step is to construct a machine to harness its forces. However, if one person attracts good luck, another is due for bad luck. And when the Luck Machine falls into the wrong hands, the inventors wish they'd stuck to rabbits' feet and black cats ..."--Publisher description.