Jivientific Pressure in Heavy Guns. American Locomotives for Japan. Railway Improvements Wanted. ollo 4 A Steep Railway. Saving is Wealth. Epidemic Cycles. The Water Supply of Cities. New Industry for Petrolea. The Italian Exhibition., scientific american, 1880-06-19

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Jivientific Pressure in Heavy Guns. American Locomotives for Japan. Railway Improvements Wanted. ollo 4 A Steep Railway. Saving is Wealth. Epidemic Cycles. The Water Supply of Cities. New Industry for Petrolea. The Italian Exhibition., scientific american, 1880-06-19

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