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.

    489/536 (page 441)
    Date. Wind. Atmos. Cowls Tested. One Hour on. P. F. One Hour on. P. G. Result ^ XXL/ Ui 0 Difference. In favour ot 1880. July 12 W. Light. ( Hamilton's Ft. up. 16246 11222 Ft. up. 11985 = 11939 = 28231} 23161) 5070 Ba Bo. » 9 s.w. Clear. \ Howorth's .. 30101 27806 28289 = 28792 - 58390) 56598 J 1792 » 12 w. Light. 14766 13211 15512 = 8877 = 3027S1 22088 j 7190 Bo. It 12 » ff ( Scott-Dunn's 21034 15268 974 = 13038 = 33008} 28306) 4702 Bo. » »3 s.w. Clear. 19214 17039 17592 = 11321 = 36806) 28360 j 8446 Bo. Mar. 3 N.W. very strong. Cloudy. f Buchan's .. .. (.Banner's .... 17840 12873 20498 = 13144 — 38338) 260171 12321 Bu. » 3 N.W. ■f f Buchan's .... 26567 20154 22763 = 17404 = 493301. 37558 i 11772 Bu. n 5 *i •> f Buchan's .... (, Hamilton's.. 19413 12185 18078 = 12446 = 37491 ]_ 24631j 12860 Bu. .. 8 E.N.E. ti f Buchan's .... ( Hellver's .. 15467 10977 14103 = 14517 — 29570) 25494 i 4076 Bu. n 4 N.W. Clear. f Buchan's .... l Howorth's .. 20481 18039 22105 ■ 15343 = 42586) 33382) 9204 Bu. April 12 N.E. Showery. f Buchan's .... (Lloyd's .... 10686 9529 10582 = 7970 = 21268 I 17499 J 3769 Bu. Mar. 6 N.W. Cloudy. f Buchan's .... ( Scott-Dunn's 15760 13360 19786 = 12168 - 355461 25528 ; 10018 Bu. » 4 u Clear. ( Buchan's .... '(Vacuum .... 17104 10337 16703 = 11510 = 33807 \ 21847 i 11960 Bu. ( Buchan's .... \ Weaver's,... 21323 1869s 20792 16661 = 42115) 35356 J