VI. MEDICINE AND HYGIENE.--The Electrical Purification of
Sewage and Contaminated Water.--By WM. WEBSTER.

VII. NAVAL ENGINEERING.--The New German Dispatch Boat
Meteor.--A German built war vessel of great speed.--Her dimensions
and rating.--1 illustration.

The Raising of the Ulunda.--A remarkable feat.--The raising of
a steamship sunk off Nova Scotia.--10 illustrations.

VIII. TECHNOLOGY.--Starches for the Finishing of Cotton Fabrics.
--Classification of starches, with illustrations of their appearance
under the microscope.




THE NEW GERMAN DISPATCH BOAT METEOR.


In time of war the dispatch boats are the eyes of the fleet. It is their
duty to reconnoiter and ascertain the strength of the enemy and to carry
the orders of the commander. For this service great speed is of the
utmost importance. As all nations have increased the speed of their war
ships during the last few years, it has become necessary to build faster
dispatch boats. Although our new vessels of this class, Blitz, Pfeil,
Greif, Jagd, and Wacht, fulfill the requirements, still greater speed
was deemed requisite, and steps were taken for the construction of the
Meteor, which was launched at Kiel in 1890. This vessel is 262 ft. long,