Portable Prospecting Drill and Automatic Safety Gear shown at
the Inventions Exhibition.--With 2 engravings.


III. ELECTRICITY, ETC.--Electricity in Warfare.--By Lieutenant
B.A. FISKE, U.S.N.--Electrical torpedoes.--Torpedo
detecter.--Military telegraphy and telephony.--Electricity
for firing great guns.--Arrangement of wires for lights.--The
search light.--Incandescent lamps for sight
signaling.--Electrical launches.--An "electric sight".

Meucci's Claims to the Telephone.--With description of his
instrument and 10 figures.

An Electric Centrifugal Machine for Laboratories.--By ALEX.
WATT.--From paper read before the British Association.--1
figure.

Transmission of Power by Electricity.--Experiments of M.
MARCEL DEPREZ.


IV. ART AND ARCHITECTURE.--Quadriga for the New House of
Parliament at Vienna.--An engraving.

Glazed Ware Finial.--With engraving.

Hotel de Ville, St. Quentin.--With engraving.

Fire Doors in Mills.--From a lecture before the Franklin