Folder: Prothesics

521

521

Otto Lilienthal flying one of his gliders, circa 1895.
Otto Lilienthal, a German engineer (1848-1896) was a pioneer of aviation,  making many test flights in gliders. He died in Berlin after a crash. On August 9, 1896, his glider No. 11 was struck by a sudden gust of wind and he lost control. Lilienthal broke his back and died the next day.

519

313

313

Dutch personal horns. Rotating acoustic listening device developed for the Dutch army as part of air defense systems research between World Wars I and II, 1930s.

311

311

German acoustic/optical locator, 1917. A junior officer and an NCO from an unidentified Feldartillerie regiment wearing combined acoustic/optical locating apparatus.

309

309

Acoustic listening device developed for the Dutch army as part of air defense systems research between World Wars I and II.

267

267

French steel helmet with built-on chain screen to protect soldiers’ eyes, WWI (Life Magazine)

118

118

“What to do for a splitting backache…automated caveman gets a rear-end drive”, Popular Science, January 1964

117

117

New Mechanical Chiropractor, Modern Mechanix, December 1932 WITH a machine like the one shown below in your home, there’s no longer any excuse for headaches. At least, that is…

120v44n04-13184112fig1

10

El gabinete de mecanoterapia del Dr. Bartrina Costa, Madrid (?), 1919.