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Kelly Springfield Rollers

are indispensable for the economical
building of fine highways.

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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

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

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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."

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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

"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.

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Pumps Acme Road Mach'y Co., Crushers and Screening Plants Bell Locomotive Works Industrial Locomotives Kilbourne & Jacobs Mfg. Co.

Genesee Gravel Company

Wheel Scrapers, etc.
Sand and Gravel

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