The World's book of knowledge and universal educator, containing concise and exhaustive articles upon science, arts and mechanics--automobiles, aerial transportation, pneumatic tubes, cinematograph, liquid air, submarine navigation, wireless telegraphy, war balloons, etc., etc., etc. ; all the latest discoveries and inventions : ship building; petrified forests; gold products of the world; curious facts; wonders of electricity; history and travel; masterpieces of eloquence and poetry, the x-ray, etc., etc. : being a complete 20th century cyclopedia on scientific, historical, artistic and all important subjects, the whole forming a superb library of the most valuable information, containing the best selections from the writings of hundreds of men renowned in science, literature, invention and discovery, such as Edison, Marconi, Tripler, Santos-Dumont, Holland, Roentgen, Tesla, Bell, Proctor, Morse, Mergenthaler, Irving, Whittier, Holmes, Field, Longfellow, Stanley, etc., superbly embellished with hundreds of phototype engravings with historical and statistical charts in colors.

Includes index. ; Mode of access: Internet.