increased on the average, and are still increasing; many steamers now
being built for 120 lb. per square inch, while 90 lb. is the standard
pressure now required.

* * * * *




STEAM FERRY BOATS OF THE PORT OF MARSEILLES.


The small steam ferry boats represented in the accompanying cut are
doing service in the port of Marseilles, and the following description
of them has been given by Mr. Flecher in the _Bulletin de la Societe des
Anciens Eleves d'Arts et Metiers_:

All those who are acquainted with the Old Port of Marseilles know the
inconvenience of communication between one shore and the other, and the
high price of ferriage by row boats. To obviate this, Captain Advient
has been struck with the happy idea of creating a cheap steam service
(fare one cent), thus supplying a genuine want in the modes of
locomotion of the city.

The building of these ferry boats, on a system providing for the use of
separate hulls, was confided to Messrs. Stapfer, De Duclos & Co., of
Marseilles, whose well-known reputation was a sufficient guarantee that
the problem would be successfully solved.

There existed difficulties of two natures: The first of these related to