Scientific American Supplement, No. 799, April 25, 1891 eBook

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Start of eBook	1
THE NEW GERMAN DISPATCH BOAT METEOR.	1
THE RAISING OF THE ULUNDA.	1
THE THERMIC MOTOR OF THE FUTURE?	7
IMPROVED PNEUMATIC HAMMER.	11
SIBLEY COLLEGE LECTURES.—1890-91.	12
THE POWER OF WATER, OR HYDRAULICS SIMPLIFIED.	33
SELF-ACTING WATER-RAISING DEVICES.	35
THE NORIA OR BUCKET WHEEL.	36
ON GAS MOTORS.	37
A PROJECTING APPARATUS FOR BALANCES OF PRECISION.	40
STARCHES FOR THE FINISHING OF COTTON FABRICS.	42
MARBLE AND MOSAIC.	42
THE ST. LAWRENCE HOSPITAL FOR THE INSANE.	47
THE ELECTRICAL PURIFICATION OF SEWAGE AND CONTAMINATED WATER.	53
LAVENDER AND ITS VARIETIES.	58
SPECTRUM OF THE SUN AND ELEMENTS.	63
ALLOTROPIC FORMS OF METALS.	64
A New Catalogue of Valuable Papers	64
THE SCIENTIFIC AMERICAN	64
THE SCIENTIFIC AMERICAN SUPPLEMENT.	66
Useful Engineering Books	66
PATENTS.	66

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Scientific American Supplement, No. 799, April 25, 1891 from Project Gutenberg. Public domain.