Marine journal. New York. w.
Marine review. Cleveland. m.
Mechanical engineer. Manchester. w.
Mechanical world. Manchester. w.

Merchant plumber and fitter. New York. semi-m.

Metal industry. New York. m.

Metal record and electroplater. Bridgeport. m.

Metal worker. New York. W.

Metallurgical and chemical engineering. New York. semi-m.
Mexican mining journal. Mexico City. m.

Michigan engineer. Ann Arbor. an.
Michigan roads and forests. Detroit.
Michigan technic. Ann Arbor. q.
Mill supplies. Chicago. m.

Mining American. Denver. w.
Mining Congress journal. Washington. m.
Mining and engineering world. Chicago. w.
Mining investor. Denver. w.

Mining journal. London. W.

m.

Mining magazine. London. m.

Mining and scientific press. San Francisco. W.

Modern building. Detroit. m.

Modern painter. Chicago. m.

Municipal engineer and contractor. Toronto. m.
Municipal engineering. Chicago. m.

Municipal engineers' journal. New York. m.
National builder. Chicago. m.

National Commercial Gas Association, Bulletin. Easton, Pa.
National Electric Light Association. Bulletin. New York. m.
National Electric Light Association. Brooklyn bulletin.
National electrical contractor. Utica, N. Y. m.

National engineer. Chicago. m.
National petroleum news. Cleveland.
Natural gas journal. Buffalo. m.
Nautical gazette. New York. semi-mo.
Nautical magazine. Glasgow. m.

Neueste Erfindungen und Erfahrungen. Wien. 13 times a year.
New England Water Works Association. Journal. q.

Oil age. Los Angeles. m.

Oil and gas journal. Tulsa, Okla. w.

Oil and gas man's magazine. Butler, Pa. q.

Oil news. London. w.

m.

w.

Practical engineer. Chicago. semi-m.
Practical engineer. London. w.

m.

Oil, paint and drug reporter. New York. W.

Oregon Society of Engineers, Bulletin. Corvallis, Ore. m.

Pacific Northwest Society of Engineers, Proceedings. Seattle. bi-m.
Paint, oil, and drug review, Chicago. w.

m.

Painters' magazine and paint and wall paper dealer. New York. m.
Petroleum review. London. w.

Petroleum world. London. m.

Plumbers' trade journal. New York. semi-m.

Plumbing and heating magazine. Philadelphia. m.

Power. New York.

=

The letters after the titles indicate the frequency of publication: irreg. = irregular; w.= weekly; semi-m. semi-monthly; m. = monthly; bi-m. bi-monthly; q. = quarterly; semi-an. = semiannual; an. = annual.

=

Public service. Chicago. m.
Rate research. Chicago. w.
Refrigerating world. New York.
Refrigeration. Atlanta. m.
Revista tecnica d'élettricita. Milan.
Revue électrique. Paris. semi-m.
Road maker. Moline, Ill. m.

Rock products and building material. Chicago. semi-m.
Royal engineers' journal. Chatham. m.

m.

Salt Lake mining review. Salt Lake City. semi-m.

Scientific American. New York. W.

Scientific American supplement. New York. w.
Scientific Australian. Melbourne. q.
New York. m.

Sheet metal.

Shipbuilding and shipping record. London. w.
Sibley journal of engineering. Ithaca. m.

Sociedad Cubana de Ingenieros. Revista. Havana. m.

Società degli Ingegneri e degli Architetti Italiani Annali. Rome. bi-m.

Société Internationale des Électriciens. Bulletin. Paris. m.

Society of Chemical Industry. Journal. London. semi-m.

Society for the Promotion of Engineering Education, Bulletin. Lancaster, Pa. m. South African Institute of Engineers. Proceedings. Johannesburg. m.

Southern good roads. Lexington, N. C. m.

Steam. New York. m.

Steel and iron. Pittsburgh. m.

Steel and metal digest. New York. m.
Stevens indicator. Hoboken. m.

Stone. New York. m.

Structural conservation. Detroit. bi-m.

Surveyor. London. w.

Technologist. Brooklyn. m.

Technology monthly. Boston. m.

Tekniska Föreningens i Finland, Förhandlinger. Helsingfors. m.

Teniente topics. Rancagua, Chili. m.

Tidsskrift for industri. Copenhagen. m.

United States Army & Engineer Dept. at large. Corps of Engineers. Professional papers. Washington. bi-m.

United States. Mines Bureau. Bulletin. irreg.

United States.

Mines Bureau. Technical papers. irreg.
United States. Standards Bureau. Bulletin. Washington. irreg.
United States. Standards Bureau. Circular. Washington. irreg.
United States. Standards Bureau. Technologic papers. irreg.

Universal engineer. New York.

m.

University of Missouri, School of Mines and Metallurgy. Bulletin. Rolla. q. Verein deutscher Ingenieur. Zeitschrift. Berlin. w.

Water and gas review. New York. m.

Water works journal. Pittsburgh. q.

Work. London. m.

World's progress. Washington. m.

Welding engineer. Chicago. m.

Western contractor. Kansas City. w.

Western Society of Engineers. Journal. Chicago. m.
Worcester Polytechnic Institute. Journal. Worcester. bi-m.

The letters after the titles indicate the frequency of publication: irreg. = irregular; w. = weekly; semi-m. = semi-monthly; m. = monthly; bi-m. = bi-monthly; q. quarterly; semi-an. = semiannual; an. = annual.