SCIENTIFIC AMERICAN SUPPLEMENT NO. 520
NEW YORK, DECEMBER 19, 1885
Scientific American Supplement. Vol. XX, No. 520.
Scientific American established 1845
Scientific American Supplement, $5 a year.
Scientific American and Supplement, $7 a year.
PRESERVATION OF INSECTS.
QUADRIGA FOR THE NEW HOUSE OF PARLIAMENT, AT VIENNA.
GLAZED WARE FINIAL.
WAGE EARNERS AND THEIR HOUSES.
MANUFACTURERS AS LANDLORDS.
HOTEL DE VILLE, ST. QUENTIN.
FIRE DOORS IN MILLS.1
STEEL STRUCTURES.
A METHOD OF MEASURING THE ABSOLUTE SENSITIVENESS OF PHOTOGRAPHIC DRY PLATES.2
NATURAL GAS FUEL AND ITS APPLICATION TO MANUFACTURING PURPOSES.3
A GAS-ENGINE WATER-SUPPLY ALARM.
SOLDERING AND REPAIRING PLATINUM VESSELS IN THE LABORATORY.
THE HELICOIDAL OR WIRE STONE SAW.
PORTABLE PROSPECTING DRILL.
AUTOMATIC SAFETY GEAR.
THE WATER SUPPLY OF ANCIENT ROMAN CITIES.4
STEAM ENGINE ECONOMY.
TO CALCULATE THE LOSSES.
ELECTRICITY IN WARFARE.5
MEUCCI'S CLAIMS TO THE TELEPHONE.
AN ELECTRICAL CENTRIFUGAL MACHINE FOR LABORATORIES.6
TRANSMISSION OF POWER BY ELECTRICITY.
THE LOCKED AND CORDED BOX TRICK.
PRICES OF METALS.
A PERPETUAL CALENDAR.
AN ACCOMPLISHED PARROT.
THE ROSCOFF ZOOLOGICAL LABORATORY.
THE MURÆNÆ AT THE BERLIN AQUARIUM.
METAMORPHOSES OF ARCTIC INSECTS.
A YEAR'S SCIENTIFIC PROGRESS IN NERVOUS AND MENTAL DISEASES.9
Professor of the Principles and Practice of Medicine in the University of Nebraska College of Medicine, Lincoln, Neb.
SCARING THE BABY OUT.
"ELASTIC LIMIT" IN METAL.
THE SCIENTIFIC AMERICAN SUPPLEMENT.
PUBLISHED WEEKLY.
PATENTS.
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