IMPROVED FILTER PRESSES.
PNEUMATIC MALTING.
A NEW FORM OF GAS WASHER.
THE WIND MILL.
THE PNEUMATIC DYNAMITE GUN.
ROPE PULLEY FRICTION BRAKE.
WIRE ROPE TOWAGE.
IMPROVED HAY-ROPE MACHINE.
THE ANGLESEA BRIDGE, CORK.
PORTABLE RAILWAYS.
GERARD'S ALTERNATING CURRENT MACHINE.
AUTOMATIC FAST SPEED TELEGRAPHY.
THEORY OF THE ACTION OF THE CARBON MICROPHONE--WHAT IS IT?
THE DEMBINSKI MICROPHONIC TELEPHONE TRANSMITTER.
NEW GAS LIGHTERS.
DISTRIBUTION OF HEAT WHICH IS DEVELOPED BY FORGING.
TIN IN CANNED FOODS.
VILLA AT DORKING.
TECHNICAL EDUCATION IN AMERICA.
IVORY GETTING SCARCE.--The stock of ivory in London is estimated
at about forty tons in dealers' private warehouses, whereas
formerly they usually held about one hundred tons. One fourth of
all imported into England goes to the Sheffield cutlers. No really
satisfactory substitute for ivory has been found, and millions
await the discoverer of one. The existing substitutes will not take
the needed polish.
THE ANAESTHETICS OF JUGGLERS.
THE DEPOSITION OF ORES.
HABITS OF BURROWING CRAYFISHES IN THE UNITED STATES.
OUR SERVANTS, THE MICROBES.
Palms sprouted from seeds kept warm by contact
of the vessel with the water boiler of a kitchen range are grown by
a man in New York.
EPITAPHIUM CHYMICUM.
A NEW STOVE CLIMBER.
HISTORY OF WHEAT.
DETERMINATION OF STARCH.
PATENTS.
