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| THE MOORE & WHITE CO. PHILADELPHIA, PA., U. S. A.

( Paper-making Machinery Builders of Friction Clutch Pulleys

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THE ALUMNI ASSOCIATION OF THE FRANKLIN INSTITUTE is always glad to refer inquiries for engineers, draftsmen, etc., to its members.

Since its organization, the association has received many such requests and several past graduates of The Franklin Institute School of Mechanic Arts have been recom-. mended to fill positions.

Library of The Franklin Institute

A most complete scientific and technical collection

113,000 titles

Electricity, chemistry, geology, mining and metallurgy, mechanics and engineering, physics, etc.

Bound files of the leading technical magazines of all countries.

Complete sets of the publications of the principal scientific societies of the world.

United States and foreign patent reports.

Translations

The Library is prepared to undertake a limited

amount of work in connection with the verification References Verified of references, translations and copying from English,

German, and French books and periodicals. A modArticles Copied

erate charge will be made to cover expense. Inquiries relating to the Institute and applications for membership should be addressed to the

13, 15, 17 SECRETARY OF THE INSTITUTE S

Your courtesy in mentioning the Journal will be appreciated

WILLIAM SELLERS & CO.

INCORPORATED
PHILADELPHIA, PA.

Modern Machine Tools

TOOL-GRINDING MACHINES

DRILL-GRINDING MACHINES

High-Speed Traveling Cranes,

Swing Cranes, &c.

BORING AND TURNING MILLS DRILLING AND BORING MACHINES

Improved Injectors for Boilers SHAFTS, HANGERS, COUPLINGS, PULLEYS, ETC. :: :: FOR TRANSMITTING POWER

Your courtesy in mentioning the Journal will be appreciated

COAL and ASHES CONVEYORS

of the correct type are the most efficient and economical means of handling and storing at the Power Plant.

THE PECK Overlapping Pivoted Bucket

CARRIER

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is the most popular of the Pivoted Bucket Conveyors. Successful installations are numbered in the hundreds--the total length in use would exceed 20 miles in length. Handles coal and ashes at lower cost per ton than any other type of conveyor. Peck Carrier Book No. 120 not only shows the construction and actual photographic installations, but gives the reasons for its superiority over all other types.

Sent upon request.

LINK-BELT COMPANY

PHILADELPHIA

CHICAGO

INDIANAPOLIS New York.... .....299 Broadway St. Louis........ Central National Bank Building Boston .....

..... 49 Federal Street New Orleans ............ Whitney Supply Co. Pittsburgh ............... 1501 Park Building Seattle.............. 580 First Avenue, South

RICHARD G. WOOD, Pres't

W. W. LUKENS, Sec'y and Ass't Treas. J. R. JONES, Vice-Pres't and Treas.

HOWARD WOOD, JR., Ass'i Secy.
Business Established 1826

Alan Wood Iron and Steel

Company

Manufacturers of
PIG IRON, BASIC OPEN HEARTH STEEL BILLETS,
BLOOMS, SLABS, BLACK AND GALVANIZED

IRON AND STEEL SHEETS
HEAVY SHEARED PLATES

SPECIALTIES
Locomotive Jacket, Blue Annealed, Bath Boiler, Swede and Norway Sheets.
Gas Holder, Corrugated, Best Bloom, A. W. Clean, M. F. Cold Rolled Sheets.
Pickled and Cold Rolled Sheets, Electrical Iron and Steel, Best Last, Water

Pipe and Light Plates.
"A. W." Diamond and "A. W." Ribbed Pattern Rolled Steel Floor Plates

Sizes Furnished on Application -
New York Office MORRIS BUILDING PL
50 Church Street

1421 CHESTNUT STREET

Your courtesy in mentioning the Journal will be appreciated

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American Pipe and Construction Company

Engineers and Contractors
112 North Broad Street

PHILADELPHIA

J. W. LEDOUX, M. Am. Soc. C. E.,

Chief Engineer. JAMES H. DAWES,

Gen'l Supt. Construction Dept.

HAROLD PEROT KEEN,

Gen'l Supt. Operating Dept.

THE LEEDS & NORTHRUP CO.

ELECTRICAL MEASURING INSTRUMENTS

Apparatus for the measurement of resistance, capacity and inductance. Temperature measuring

devices. Cable testing apparatus. Electrical measurements laboratories equipped. 4901 STENTON AVENUE

PHILADELPHIA

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