 | United States. Army. Corps of Engineers - 1897 - 562 halaman
...fittings to be of the beet description and done in a thoroughly good and workmanlike manner and in strict accordance with the rules and requirements of the National Board of Fire Underwriters. A detailed specification of this plant must be included in the general specification called for in... | |
 | United States. War Department - 1897 - 606 halaman
...fittings to be of the t description and done in a thoroughly good and workmanlike manner and in strict accordance with the rules and requirements of the National Board of Fire Underwriters. A detailed specification of this plant must be included In the general specification called for in... | |
 | United States. Mississippi River Commission - 1898 - 614 halaman
...hard rubber tubing. All insulators are to be of porcelain, and the wiring and fittings generally will be in accordance with the rules and requirements of the National Board of Fire Underwriters. The engine and generator will have at least 20 per cent more power than absolutely required for the... | |
 | Marquette (Mich.) - 1898 - 312 halaman
...the public electric system shall be subject to the approval of the commission and shall conform to the rules and requirements of the National Board of Fire Underwriters, as now or hereafter adopted; except as the commission shall otherwise determine. Sec. 721— -(6). No... | |
 | United States. War Department - 1899 - 604 halaman
...enclosed in porcelain tubing; all insulators are to be of porcelain and the wiring and fittings generally to be in accordance with the rules and requirements of the National Board of Fire Underwriters. PROPELLING MACHINERY. 159. Detigntfor engine». — Bidders are required to submit designs and specifications... | |
 | Clark Caryl Haskins - 1899 - 260 halaman
...CONSTRUCTION By HORSTMANN mnd TOUSLEY = book treats almost entirely of practical electrical work. It uses the "Rules and Requirements of the National Board of Fire Underwriters" as a text, and explains by numerous cuts and detailed explanations just how the best class of electrical... | |
 | United States. Mississippi River Commission - 1899 - 582 halaman
...enclosed in porcelain tubing; all insulators are to be of porcelain and the wiring and fittings generally to be in accordance with the rules and requirements of the National Hoard of Fire Underwriters. PROPELLING MACHINERY. • 159. J)etigntfor engine». — Bidders are required... | |
 | United States. War Department - 1900 - 814 halaman
...enclosed in porcelain tubing; all insulators are to be of porcelain and the wiring and fittings generally to be in accordance with the rules and requirements of the National Board of Fire Underwriters. PROPELLING MACHINERY. 136. De*igntfor engine».— Bidders are required to submit designs and specifications... | |
 | George Velten Steeb - 1902 - 230 halaman
...Standard" hose. For mill yard use only cotton fabric rubber lined is acceptable. This hose must be made in accordance with the Rules and Requirements of the National Board of Fire Underwriters. Must be 2§^-inch in internal diameter, have US gun metal couplings, with the name of the manufacturer... | |
 | 1902 - 750 halaman
...to more than the insurance costs. SAFE WIRING RULES A WORKMAN should thoroughly familiarize himself with the rules and requirements of the National Board of Fire Underwriters before attempting to do any electrical construction. The rules are all based on good engineering practice... | |
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Rules and Requirements of the National Board of Fire Underwriters... 
