SCIENTIFIC AMERICAN SUPPLEMENT NO. 531
NEW YORK, MARCH 6, 1886
THE USE OF IRON IN FORTIFICATION.
HIGH SPEED ON THE OCEAN.
PRINCIPLES AND METHODS OF BALANCING FORCES DEVELOPED IN MOVING
BODIES.
COMPRESSED AIR POWER SCHEMES.
THE BERTHON COLLAPSIBLE CANOE.
THE FIFTIETH ANNIVERSARY OF THE OPENING OF THE FIRST GERMAN
STEAM RAILROAD.
IMPROVED COAL ELEVATOR.
STEEL-MAKING LADLES.
APPARATUS
FOR DEMONSTRATING THAT ELECTRICITY DEVELOPS
THE COLSON TELEPHONE.
THE MELDOMETER.
TOUCH TRANSMISSION BY ELECTRICITY IN THE EDUCATION OF
DEAF-MUTES.
WATER GAS
ANTISEPTIC MOUTH WASH.
ANNATTO.
JAPANESE RICE WINE AND SOJA SAUCE.
ALUMINUM.
THE ORIGIN OF METEORITES.
CANDELABRA CACTUS AND CALIFORNIA WOODPECKER.
HOW PLANTS ARE REPRODUCED.
PATENTS.
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