us skylights on the ridge of a pitched of the two-ply and the three-ply roofing, two laye:s of roof or nave. Ventilation is provided for through the larger percentage of gas making by the water gas tarred paper are caused to adhere by using melted windows placed a story above the flat aisle roof… … APPROVED DESIGN seven or eight years, and it will continue to use are already several establishments using pitch for There will be three entrances—the prominent one to increasing quantities of coaltar. It makes the cheap- making briquettes—the artificial fuel. There are large the south,one to the…
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