 These lamps are regarded from a fire protection viewpoint as more dangerous than the systems covered in Class A, Class B or Class C, and where used their hazards should be recognized. If their use is permitted, the following general specifications for...  NBFU Pamphlet - Halaman 15oleh National Board of Fire Underwriters - 1926Tampilan utuh - Tentang buku ini
 | George Velten Steeb - 1902 - 230 halaman
...observed. Class D. — Gasolene vapor lamps. These lamps are regarded from an insurance viewpoint as even more dangerous than the systems covered in Class A,...and where used their hazards should be recognized by underwriters in higher rates of premium. Class E.. — Especially hazardous systems. Gasolene vapor... | |
 | 1912 - 624 halaman
...Class D systems may be stated as follows : These lamps are regarded from an insurance viewpoint as even more dangerous than the systems covered in Class A, Class B, or Class C, owing to the fact that their gasoline supply is in close proximity to the flame and that they may frequently... | |
 | Spectator Company (New York, N.Y.) - 1916 - 798 halaman
...regarded from an insurance viewpoint as even more dangerous than the systems covered in Class A, Class R or Class C, and where used their hazards should be recognized. If i>ermitted, the general specifications for the construction of such devices and for regulating same... | |
 | 1922 - 424 halaman
...drained. CLASS D GASOLINE VAPOR LAMPS These lamps are regarded from an insurance viewpoint as even more dangerous than the systems covered in Class A,...where used, their hazards should be recognized. If permitted, the following general specifications for the construction of such devices and for regulating... | |
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