The plumber and sanitary houses : a practical treatise on the principles of internal plumbing work, or the best means for effectually excluding noxious gases from our houses / by S. Stevens Hellyer.

  • Hellyer, S. Stevens (Samuel Stevens)
Date:
1893
Catalogue details

Licence: Public Domain Mark

Credit: The plumber and sanitary houses : a practical treatise on the principles of internal plumbing work, or the best means for effectually excluding noxious gases from our houses / by S. Stevens Hellyer. Source: Wellcome Collection.

    495/536 (page 447)
    Date. Wind. Atinos. Cowls Tested. First Ten Min. Second Ten Minutes. Result Two Ten Min. Difference. In favour of P. F. P. G. 1880. July 21 S.E. Light. J Weaver's.. .. Ft. up. 2496 1883 Ft. up. 1216 -- 1351 = 3712]. 3234) 478 W. t» f Weaver's.. .. \ Scott-Dunn's 2192 2137 1862 = 1054 = 4054 I 3191 i 863 W. 21 s.w. i> ( We.a.ver's.. .. \ Vacuum .... 3018 2196 2142 = 1574 = 5160) 3770) 1390 w. Tahle (No. 8). Cowls against open pipes, Tested as in Table No. 3; BUT ten minutes INSTEAD OF 071c hour. Date. Wind. Atmos. Cowls Tested. First Ten Min. Second 'J en Min. Result Two Min. Difference. In favour of P. F, P. G. 1S80. July 20 N.W. Light. f Open Pipe .. ( Banner's .. .. Ft. up. 2425 2794 Ft. up. 2473 = 1594 = 4898 I 4388; Sio O.F. « 19 W. ti f Open Pipe .. 2867 2534 3120 = 3592 = 5987 I 6i2b ) 139 Bo. .. 23 S.W. If f Open Pipe .. \ Buchan's .... 3339 3481 2425 = 3124 = 57641 6605 j 841 Bu. m 27 W. ff f Open Pipe .. \ Hamilton's.. 1419 1165 2I2I = 35401 3122 1 418 0. P. „ 20 N.W. i> f Open Pipe .. ( Hellyer's .. 1277 176S 956 = 743 = 2233 I 2511 i 278 Hel. »( 27 W. la f Open Pipe .. I Howorth's .. 2824 2659 2657 = 3347 = 54811 6006) 525 How. » 27 II If J Open Pipe .. 2355 1000 1777 = 1826 = 4132) 2826] 1306 0. P n 24 >• Moist. f Open Pipe .. ( Papier's .. 2867 2898 2128 = ■i2.y2 = 4995 I 5140) 145 Pa. ). 27 II Light. J Open Pipe .. ( Scott-Dunn's 2262 1575 2237 = 2688 = 4499 I 4263 J 236 O.P. » 27 II 11 f Open Pipe ,. I Vacuum ., 2478 1514 2541 = 2460 = 5019 ) 3974 ) 104s O.P. II ( Open Pipe .. ( Weaver's .... 1769 2377 1545 = 978 = 3314 I 3355 J 41