DEDICATION
The cinema as art is one of the few creative discoveries of the machine age;
as a universal medium of entertainment it has itself become a major industry and, as a method of instruction, it has brought the outside world to the classroom—
these different perspectives are today well known and amply documented. That it was born in the calm of the scientific laboratory where it was first put to serv- ice, that it has never deserted its birth- place, and that its techniques have grown to their widest range and highest perfec- tion in research—this needs setting forth and illustrating. Such is the intent of this book, humbly dedicated to the memory of Marey, the originator of the research film, and to the many scientists who have followed his lead, advanced research, and ennobled the cinema.
