i STEAM COAL - Clpdigital.org

horse power boilers; one SO-horse power boiler;
one 110-horse power boiler; 2 centrifugal pumps;
electric light plant and machine and blacksmith
shop. There are 11 buildings in the camp and
about 500 men are employed. The most important
machinery—compressors, drills, etc.—is the product
of the Rand Drill Co., 128 Broadway, New
York. The accompanying illustrations show the
canal work in progress.
BY-PRODUCT PRODUCTION.
Since 1893, when the first plant of by-product
coke ovens in the United States was completed
at Syracuse, N. Y., the quantity of coke produced
in such ovens has increased so rapidly that in
1903, 7.4 per cent, of the total coke product of
the United States was thus manufactured. The
successful development of this industry has been
largely due to the profitable disposition made of
the by-products obtained in the manufacturing
process.
The total quantity of coal carbonized in 1903
was 5,843,538 short tons. The 528 companies
produced 33,483,430,989 cubic feet of gas, of which
31,049,461,511 cubic feet were sold. Of this total
73.9 per cent, was sold for illuminating purposes
and 26.1 per cent, for fuel. The average price
per 1,000 cubic feet for all gas sold in 1903 was
97 cents.
THE COAL TRADE BULLETIN. 31
Beginning The Primary AVork On Chicago Canal.
The total production of coke amounted to 3.941,-
282 short tons.
The total quantity of coal tar produced in 1903
was 62,964,393 gallons, valued at $2,199,969, or
3.49 cents a gallon. The largest production of
tar in both 1902 and 1903 was in Massachusetts,
with New York second, Onio third, Pennsylvania
fourth, and Alabama fifth.
Only about 20 per cent, of the companies that
manufacture coke and gas reported the recovery
of ammonia either in the form of ammoniacal
liquor or sulphate. The total quantity of ammonia
liquor produced and sold was 64,396,662
gallons, which would be equivalent to 17,479,759
pounds of anhydrous ammonia, or 67,821,465 pounds
of sulphate.
Comparatively little progress has been made
in this country in the manufacture of chemical
products from coal tar. Although we produce
over 50,000,000 gallons of coal tar annually, we
import at the same time millions of dollars' worth
of chemicals obtained from coal tar. A conservative
estimate would place the total value of
these products in the wholesale markets of this
country at $12,000,000.
There is one fairly successful coal mine in Ireland,
viz: at Arigna, county Roscommon. The
average output is about 200 tons per week.