MICROFILM, comprising books, speeches, excerpts from books and encyclopedias, pictures, critiques, reports, circulars, timetables and other printed or written matter; the whole producing in logical order a description of our time, our arts, sciences, techniques, sources of information and industries. The essay, divided into fifteen sub-sections, contains the equivalent of more than 100 ordinary books; a total of more than 22,000 pages, more than 10,000,000 words and 1,000 pictures. A microscope is included to enable historians of the future to read the microfilm; also included are instructions for making larger reading machines such as those used with microfilm in modern libraries.