Sunday, September 16, 2012

19 వ శతాబ్ధములో కనుగొనబడినవి....ఫోటోలు

THE STEAM ENGINE

THE LOCOMOTIVE

THE TELEPHONE

THE TELEGRAPH

THE INTERNAL COMBUSTION ENGINE

THE RIFLE

IRONCLAD SHIPS

ELECTRICITY/LIGHT BULB

PHOTOGRAPHY

THE COTTON GIN

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