'English inventor' diaporamas de présentation

T he history of photography

T he history of photography. By Adriana Aleksandrova. Stenopeichen camera and camera obscura. The emergence of photography in the 19th century was the result of several important technical breakthroughs. The first is optical.

282 views • 15 slides

WHY PEOPLE INVENT

WHY PEOPLE INVENT. REASONS. First thing you should know is people invent for money, to satisfy their curiosity, wants, needs, or just to create. Ch.1 ECONOMIC NEEDS pg.1.

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The Railroads

The Railroads. By Landon Edwards Trent Davis Elijah White . History. Railways were introduced in England in the seventh century as a way to reduce friction in moving heavily loaded vehicles.

233 views • 7 slides

214 views • 5 slides