 | Chicago (Ill.). City Council - 1905 - 1392 стор.
...approval of the Fire Marshal and the City Electrician, and shall be suspended by wire ropes. All ducts and shafts used for conducting heated air from the main chandelier, or from any other light or lights, shaJl be constructed of metal and made double, with an air space between. All gas stage lights shall... | |
 | New York (State) - 1885 - 1022 стор.
...to the best known methods and subject to the approval of the commissioners of the fire department. All ducts or shafts used for conducting heated air from the main chandelier, and from any other light or lights shall be constructed of metal and made double, with an air space... | |
 | Pennsylvania. Laws, statutes, etc - 1893 - 836 стор.
...ami subject to the approval of the Bureau of Fire, and shall be suspended for ten feet by wire rope. All ducts or shafts used for conducting heated air...of metal and made double with an air space between. All stage lights shall have strong metal wire guards or screens not less than ten inches in diameter,... | |
 | New York (State). - 1893 - 68 стор.
...the approval of the superintendent of buildings, and shall be suspended for ten feet by wire rope. All ducts or shafts used for conducting heated air from the main chandelier, or from an)' other light or lights, shall be constructed of metal and made double, with an air space between.... | |
 | New York (State) - 1894 - 1188 стор.
...approval of the commissioner of the fire department, and shall be suspended for ten feet by wire rope. All ducts or shafts used for conducting heated air...light or lights, shall be constructed of metal and stage made double with an air space between. All stage lights shall have strong metal wire guards or... | |
 | Pennsylvania - 1894 - 1270 стор.
...to the approval of the bureau of fire, and shall be suspended for ten feet stage by wire rope. 334. All ducts or shafts used for conducting heated air from the main chande- Ibl<iHer, or from any other light or lights, shall be constructed of metal and made Doctor... | |
 | Pennsylvania. Laws, statutes, etc - 1895 - 996 стор.
...methods and subject to the approval of the said bureau, and shall be suspended for ten feet by wire rope. All ducts or shafts used for conducting heated air from the main chandelier, or from anv other light or lights, shall be constructed of metal and made double with air space between. All... | |
 | Pennsylvania. Laws, statutes, etc - 1899 - 660 стор.
...Fire, and shall be suspended for ten feet by wire rope. All ducts or shafts used for conducting healed air from the main chandelier, or from any other light...of metal and made double with an air space between. All stage lights shall have strong metal wire guards or screens not less than ten inches in diameter,... | |
 | New York (N.Y.) - 1901 - 186 стор.
...subject to the approval of the Department of Buildings, and shall be suspended for ten feet by wire rope All ducts or shafts used for conducting heated air...metal and made double, with an air space between. All stage lights shall have strong metal wire guards or screens, not less than ten inches in diameter,... | |
 | Brookline (Mass.). - 1903 - 142 стор.
...subject to the approval of the Building Department, and shall be suspended for ten feet by wire rope. All ducts or shafts used for conducting heated air...metal and made double, with an air space between. All stage lights shall have strong metal wire guards or screens not less than ten inches in diameter,... | |
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Buildings, and shall be suspended for ten feet by wire rope. All ducts or shafts used for conducting heated air from the main chandelier, or from any other light or lights, shall be constructed of metal and made double, with an air space between. 
