 | C. P. Kunhardt - Marine engines - 1887 - 258 pages
...less than one square inch to three square feet of grate surface of the boiler, and each spring-loaded valve shall be supplied with a lever that will raise...distance of not less than that equal to one-eighth the diameter of the valve opening, and the seats of all such safety valves shall have an angle of inclination... | |
 | United States. Department of the Treasury - Customs administration - 1887 - 612 pages
...less than one square inch to three square feet of grate-surface of the boiler, and each spring-loaded valve shall be supplied with a lever that will raise the valve from its seat a distance of not less thau that equal to one-eighth the diameter of the valve-opening * * *." The rule requiring "an area... | |
 | Joshua Rose - Steam-boiler inspection - 1888 - 312 pages
...not less than one square inch to 3 square feet of grate-surface of the boiler, and each spring-loaded valve shall be supplied with a lever that will raise...distance of not less than that equal to one-eighth the diameter of the valve-opening, and the seats of all such safety-valves shall have an angle of inclination... | |
 | Emory Edwards - Steam engineering - 1888 - 540 pages
...not less than one square inch to 3 square feet of grate-surface of the boiler, and each spring-loaded valve shall be supplied with a lever that will raise...distance of not less than that equal to one-eighth the diameter of the valve-opening, and the seats of all such safety-valves shall have an angle of inclination... | |
 | Emory Edwards - Marine engineering - 1891 - 554 pages
...not less than one square inch to 3 square feet of grate surface of the boiler, and each springloaded valve shall be supplied with a lever that will raise...distance of not less than that equal to one-eighth the diameter of the valve-opening, and the seats of all such safety-valves shall have an angle of inclination... | |
 | Heine Safety Boiler Company - 1893 - 184 pages
...to 62 335 \ 31o / 325 997 f 325-i 1 333 J 329 212 212 274 62 38 974I flO0O\ \1000j 1000 250 1020 J be supplied with a lever that will raise the valve...distance of not less than that equal to one-eighth the diameter of the valve opening, and the seats of all such safety valves shall have an angle of inclination... | |
 | John Fehrenbatch - Steam engineering - 1894 - 824 pages
...square inch to three square feet of the grate surface of the boiler; and each spring-loaded safety-valve shall be supplied with a lever that will raise the...to one-eighth of the diameter of the valve opening; and the seats of all such safety-valves shall have an angle of inclination to the center line of their... | |
 | United States - Ships - 1895 - 360 pages
...hereinafter otherwise provided for water-tube or coil and sectional boilers, and each springloaded valve shall be supplied with a lever that will raise...distance of not less than that equal to oneeighth the diameter of the valve opening, and the seats of all such safety valves shall have an angle of inclination... | |
 | United States. Department of the Treasury - Customs administration - 1895 - 1064 pages
...hereinafter otherif m provided for water-tube or coil and sectional boilers, and each springloaded valve shall be supplied with a lever that will raise...distance of not less than that equal to one-eighth the . diameter of the valve opening, and tho seats of all such safety-valves shall have an angle of... | |
 | William Kent - Engineering - 1895 - 1234 pages
...hereinafter otherwise provided for water-tiilw or coil and sectional boilers, and each spring-loaded valve shall be supplied with a lever that will raise the valve from its seat a distance .if not less than that equal to one eighth the diameter of the valve-opening, and the seats of all... | |
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... and each spring-loaded valve shall be supplied with a lever that will raise the valve from its seat a distance of not less than that equal to one-eighth... 
