Page 36 Advertisements Column 1

Free Lance, Volume II, Issue 77, 21 December 1901, Page 36 (Supplement)

-** Improved Filter, e*The Oamaru stone from which Mr. Hutson's Filters are made is a highSv>ggg8Igg^, > , class l imestone > a s the following Analysis shows : — Carbonate of Lime ... ... ... qq.q Carbonate of Magnesia ... ... ... ... j.j 1^,0=2 h Jjit ""i"!"^!" Alumina and Iron Oxides ... ... ... -6 •S S-S^ Vp jiii|||||||||||iiiiiiiiii[imiiiiiiii]ii»iiiiiiiiiiiiiiii][ii'^ iBilli W$M% " 100 g 0 * d fa «- Till! f IV e'WB 1 1 § " s r X have made Che mical Analyses of water before and after Filtering through §.Sj 3 p iffliib'f^r f 1 #j=^^.-^P I S23^§5 one of these stones to determine the effect on the water. The supply used was -S s ja -. *jg JISkSSS^X fe) Pi § t ?§^|t2Z drawn from the Cifc y water main s, and the results, which are as follows, are ex- § *§fl 1 l^^si I S^S.SI^ pressed in grains per gallon — j ao" 3 5* § r iSl' 1 ' V 1 W |=^-Eli I ro^:ro? TT « lf A Filtered after the Filtei had Filtered after the Filter h»d g'oT^^M <-< P p=jgr=sp | T Unfil Jt e ? d been in use for one week been ,n use forffve weeks ■S C » a L Wmm -^^Ji M W ' ~ W I £ - - S W r» l l-J- , ap WlVtel without deanmgr w!thout cleaning SS-s^ Hg! 1 -.. ~=^\ W W;^ -*§■ i S- -" = 5 Oxygen absorbed in 4 g S«2^ Wll^ T^J i j 2 hours at 80 deg. Fab. -0720 ... -050 ... -050 .jis ■^■r — T^ i < ii"-g B 5 monia JA --- . • 'O 007 - * 0028 HoSs 5 " > iil^ SON * [ij_. 8^ _j. | - _ o 2 % rn Albuminoid Ammonia ... -0047 -0025 |3 -^l *Illf !^ l<CT0H " pn -^| '^f If Total Solids -021 ... -031 . -022 2 \% P JSm!^ \^zpM%=^ " — = I I I'm gijjf The Analyses show a considerable improvement in the waters which have Sc>S Ir9e^^^=^=^^l^rm ZZZ* P assed the Filters. The oxygen absorbed and the albuminoid ammonia (in 2 2 5 ! MiillllM^ _^^ ? a 5 ? g" other words, the organic impurities in the water) are considerably reduced and the water is further improved in flavour by being more thoroughly crated' and by the increased amount of lime which it has dissolved from the Filter. " ~~ (Signed) J. S. MACLAURIN, D.Sc.,F.C.S., Government Analyst. MANUFACTURED BY PETER HUTSON AND CO. WALLACE STREET, WELLINGTON, N.Z.