[Discovery of Circulation of the Blood by Harvey.] [Vaccination by Jenner.] [Use of Anæsthetics the Great Step of Medical Progress of the Century.] [Materia Medica.] [Instruments.] [Schools of Medicine.] [Dentistry.] [Artificial Limbs.] [Digestion.] [Bacteriology, and Disease Germs.] [Antiseptic Surgery.] [House Sanitation.]
The Bicycle and Automobile.
[The Draisine, 1816.] [Michaux’s Bicycle, 1855.] [United States Patent to Lallement and Carrol, 1866.] [Transition from “Vertical Fork” and “Star” to Modern “Safety.”] [Pneumatic Tire.] [Automobile the Prototype of the Locomotive.] [Trevithick’s Steam Road Carriage, 1801.] [The Locomobile of To-day.] [Gas Engine Automobiles of Pinkus, 1839; Selden, 1879; Duryea, Winton, and Others.] [Electric Automobiles a Development of Electric Locomotives as Early as 1836.] [Grounelle’s Electric Automobile of 1852.] [The Columbia, Woods, and Riker Electric Carriages.] [Statistics.]
The Phonograph.
[Invention of Phonograph by Edison.] [Scott’s Phonautograph.] [Improvements of Bell and Tainter.] [The Graphophone.] [Library of Wax Cylinders.] [Berliner’s Gramophone.]
Optics.
[Early Telescopes.] [The Lick Telescope.] [The Grande Lunette.] [The Stereo-Binocular Field Glass.] [The Microscope.] [The Spectroscope.] [Polarization of Light.] [Kaleidoscope.] [Stereoscope.] [Range Finder.] [Kinetoscope, and Moving Pictures.]