Kelly Springfield Rollers

are indispensable for the economical
building of fine highways.

Made in all types and sizes-Steam
and Motor driven.

Buffalo-Springfield Pressure Scari-
fiers can be attached to Macadam
Rollers already in the field.

The Buffalo-Springfield Roller Company

TEXACO ON PENNSYLVANIA'S
LACKAWANNA TRAIL

TEXACO Asphaltic Concrete on Route No. 168, Pennsylvania State Highway. Constructed in 1919 by H. B. Sproul Construction Company

Best for Industrial Buildings, such as factories,
foundries, galvanizing works, metal treating
plants, also for schools, hospitals, etc.

Alpina Efficiency Appreciated

"We

Briggs & Stratton, Electrical Specialties, say: were experiencing a great deal of trouble with fumes and back draft; but since installing the Alpina ventilators this has all been eliminated. We have found them very satisfactory for this purpose and heartily recommend them.'

MICHIGAN ENGINEERS
Make your work Everlasting-Specify

Vitrified
Salt-Glazed
Material

FOR ALL SEWER-DRAINAGE and ROAD WORK

"It will last as long as the
Earth itself"

AMERICAN VITRIFIED
PRODUCTS COMPANY
Sales Office-Citizen Patriot Building
JACKSON, MICHIGAN

الا

"QUALITY
Equipment"

Koehring Machine Co.,

Koehring Mixers

Blaw-Knox Co., Road Forms, Wall Forms, Buckets J.D. Adams & Co., Leaning Wheel Graders, Drags, etc. Barnes Mfg. Co.

Pumps