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Memoirs of the National Academy of Sciences . a. n ml ±± n u tn EH tn nmt n J ? n Memoirs of the Xatioual Academy of Sciem;es. Vol. VII. FRANKFORD DISTRICT. Delaware water. 23rd, 25th, 35th and part of 19th and 33rd Wards. NOVEMBER DECEMBER JANUARY FEBRUARY HARCM APRIL HAY JUNE Diagram IV, JULY Rain Fall Inches 1,63 3,04 Typlioid Fever 19 Cases 13 24 35 36 29 44 23 bacteria In One Cubic Centimeter 100005000 IC ? ? - ? I ? I - JLl Nitrogen as Mliatcs tit tt ^ ^ tt & rzt Parts per loo FreeAmmonia 0,0050,002 l=t M B£ I ? - I JLJ. I=t A
Memoirs of the National Academy of Sciences . a. n ml ±± n u tn EH tn nmt n J ? n Memoirs of the Xatioual Academy of Sciem;es. Vol. VII. FRANKFORD DISTRICT. Delaware water. 23rd, 25th, 35th and part of 19th and 33rd Wards. NOVEMBER DECEMBER JANUARY FEBRUARY HARCM APRIL HAY JUNE Diagram IV, JULY Rain Fall Inches 1,63 3,04 Typlioid Fever 19 Cases 13 24 35 36 29 44 23 bacteria In One Cubic Centimeter 100005000 IC ? ? - ? I ? I - JLl Nitrogen as Mliatcs tit tt ^ ^ tt & rzt Parts per loo FreeAmmonia 0,0050,002 l=t M B£ I ? - I JLJ. I=t AlhuminiiidAmmonia It OXYGEN Consumed Clilorinc l-m 1—r n T=FI 33 Mruanirsot tbeNaUoDal Actiiletiiy orSi-ieno»<. VII. MBI. WHOl lilH lAFG 5 2^fS
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Keywords: ., bookcentury1800, bookdecade1890, bookidmemoirsofnat, bookyear1895