uction of a cantilever bridge 562 feet long and 18 feet wide,
which is to be built by the New York Dredging Company at Honda, on the
Magdalena River, in Colombia, South America.

NAVIGATION ON the Amoo-Darya is to be extended considerably, so that
Russian steamers will proceed upward on that river to Feisabad-Kalch,
which is only about 200 miles from the scene of the recent Indian
frontier troubles.--Uhland's Wochenschrift.

A NEW process of manufacturing artificial stone has been patented in
England. The stone is formed in steel moulds, which can be adjusted to
any size, shape or design for which the finished stone may be
required, and solid blocks weighing several hundred pounds have been
easily produced.

M. BERLIER, the well known engineer, has laid before the governments
of Spain and Morocco a project for the construction of a tunnel under
the Straits of Gibraltar. The execution of this plan would have
immense economic consequences, so that its fate will be followed with
interest. M. Berlier is the inventor of a new method of subterranean
boring.

"THE SALE of the steamers 'Pennsylvania,' 'Ohio,' 'Indiana,'
'Illinois,' and 'Conemaugh,' by the International Navigation Company
to the States Steamship Company for the Pacific trade leaves but five
steamships flying the American flag crossing the Atlantic Ocean," says
The Marine Record. "They are the 'St. Paul,' gross tons 11,629.21;
'St. Louis,' gross tons 11,629.21; 'New York,' gross tons 10,802.61;
'Paris,' gross tons 10,794.86; 'Evelyn,' gross tons 1,963.44, the
latter three built in English shipyards and denationalized."

JOHN MURPHY, general manager of the United Traction Company, of
Pittsburg, reports the average life of motor gears on his line as two
years, and the average life of pinions, nine months. He is employing
the gears and pinions of the Simonds Manufacturing Company. The
service is an exceedingly severe one, on account of the many grades on
the line. The average life of trolley wheels is 1,000 miles, and the
conditions under which they operate are quite severe, as the company
has on its main line eighteen railroad crossings. A tempered copper
wheel is employed.

ACCORDING TO a recent correspondent of The Buffalo Express, in the
Pennsylvania oil region during the last year over 300 gas engines have
been placed on oil leases and are doing satisfactory work. The engines
vary from 10 to 50 horse power. Every big machine shop in the oil
regions is t