LOS ANGELES
J. E. MacDonald.
444 P. E Bldg..

Los Angeles, Cal.

MADISON
J. W. Shuster,

Univ. of Wisconsin,

Madison, Wis.

MEXICO
F. D. Nims,

Mex. Lt & Pr. Co.,

Mexico, Mex.

MINNESOTA
J. C. Vincent,

1313 6th St., S. E.,

Minneapolis, Minn. NORFOLK R. R. Grant. P. O. Box 254.

Norfolk, Va. PHILADELPHIA

H. F. Sanville, 170X Sansom St., Phila., Pa. PITTSBURG B. P. Rowe.

911 Ramsey Ave..

Wilkinsburg, Pa. PITTSFIELD H. W. Tobey.

General Electric Co.,

Pittslield, Mass.

SAN FRANCISCO
S. J. Lisberger,
925 Franklin St.,

San Francsico, Cal. SCHENECTADY

M. O. Troy, G. E. Co. Schenectady, N.Y SEATTLE

Geo. H. Moore. Rialto Court.

Boylston Ave., „. Seattle, Wash

ST LOUIS
H. I. Finch,

5217 Morgan St.,
~„ St. Louis, Mo.

TOLEDO
Geo. E. Kirk,

1614 The Nicholas,

Toledo, O.

TORONTO

W. H. Eisenbeii,
1207 Traders. Dank Bldg.,
Toronto, Can.

URBANA
E. I. Wenger,

911 W. California St..

Urbana, 111. WASHINGTON, D. C H. C. Eddy.

806 Westory Building, Washington, D. C.

ARKANSAS, UNIV. OF
F. S. White,

523 North Willow St..

.„ Fayetteville, Ark.

ARMOUR INSTITUTE
J. E. Snow,

Armour Inst. Tech.,

Chicago, 111. CASE SCHOOL, Cleveland

A. M. Klingman, Case School of App. Science, „,..„.. Cleveland, O.

CINCINNATI, UNIV. OF C. A. Winder. 815 2nd Naf l Bank Bldg.,

Cincinnati. O.

COLORADO. UNIV. OF
L. D. Jones.

Univ. of Colorado, .
Boulder, Colo.
IOWA STATE COLLEGE
M. W. Pullen,

Iowa State College,

Ames, la.

KANSAS STATE AGR COL W. C. Lane.

Kan. State Agr Col..

Manhattan. Kan. KANSAS. UNIV. OF E. J. Thiele.

1042 Tennessee Street, Lawrence, Kan. LEHIGH UNIVERSITY R. P Turner. Lehigh Univ.,

Bethlehem, Pa.

LEWIS INSTITUTE
P. B. Woodworth,
Lewis Institute,

Chicago, 111.
MAINE, UNIV. OF
Gustav Wittig,
Univ. of Maine,

Orono. Me.

MICHIGAN UNIV. OF
P. R. Moffett,

1335 So. State St..

Ann Arbor, Mich. MISSOURI, UNIV. OF H. D. Carpenter, Univ. of Missouri,

Columbia, Mo. MONTANA, AGR. COL. J. A. Thaler.

Montana Agr. Col.,

Bozeman, Mont. NEBRASKA, UNIV. OF L. E. Hurts.

Lincoln Tel. Co..

Lincoln, Neb. NEW HAMPSHIRE COL

E. R. Fellows.
OHIO STATE UNIV

F. C. Caldwell.
Ohio State Univ.,

Columbus. O. OREGON STATE ACR

^ „ COL.
C. Christiansen,
State Agricultural College,
Corvallis, Ore.

PENN. STATE COLLEGE H. S. Amer,

Penn State College, Pa.

PURDUE UNIV.
H. T. Plumb.
Purdue Univ..

Lafayette, Ind.

STANFORD UNIV.
C. P. Taylor.
Stanford Univ.,

California.

SYRACUSE UNIV.
R. A. Porter,
Syracuse Univ.,

Syracuse. N. Y.

TEXAS, UNIV. OF
B. E. Kenyon,
Univ. of Texas,

Austin, Tex.

WASH. STATE COL OF
M. K. Akers,

State Col of Wash.,

Pullman, Wash.

WASHINGTON UNIV.
H. F. Thomson,

5011 Washington Ave.,
St. Louis, Mo.

WORCESTER POLY.INST
W. D. Stearns.

Worcester Poly. Inst..
Worcester. Mass.