...encountered. "The cost of cast iron is, however, a decided obstacle to its universal use, and from this fact comes the corrugated metal pipe which has...be found an economical investment for a township. If used, the manufacturers should be required to give some sufficient guarantee of its quality and...

...they rust very quickly and their use cannot be recommended for any locality. If, however, the metal is made of special material containing so small a percentage of impurities as to be practically pure iron, and this material galvanized, the culvert will last many years. Great care should be exercised in buying...

...they rust very quickly and their use cannot be recommended for any locality. If, however, the metal is made of special material containing so small a percentage of impurities as to be practically pure iron, and this material galvanized, the culvert will last many years. Great care should be exercised in buying...

...in a Bulletin lately published on the subject of "Supervisors and Their Duties," says: * * * "From this fact comes the corrugated metal pipe which has...been corroborated in numerous papers and reports from lime to time by the most eminent Kngineers and Metallurgical Chemists in this country. Dr. Allerton...

...encountered. "The cost of cast iron is, however, a decided obstacle to its universal use, and from this fact comes the corrugated metal pipe which has...be found an economical investment for a township. If used, the manufacturers should be required to give some sufficient guarantee of its quality and...