Practical hints to builders and those contemplating building / Facts worth considering relating to foundation, cellar, kitchen, chimney, cistern, brick-work, mortar, heating, ventilation, the roof, and many items of interest to builders.

by National Sheet Metal Roofing Co.

COOPERS CROOKS.

(Patented August 20th, 1889.)

Complete and in Sections. Fixed and Adjustable.

The most Perfect Machine-made Elbow ever manufactured.

First-class Finish.—Each piece is a perfect section of a curved tube.

A Convenience.—The sections can be put together to form any angle.

Durable and Strong.—The finished elbows are redipped after being locked and riveted.

Quality.—Both Retinned and Galvanized.