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" Saturate unglazed paper with a solution of 1 ounce pure lead acetate in half a pint of rain water; let it partially dry, then expose in the room suspected of containing sewer gas. The presence of gas in any considerable quantity soon darkens or blackens... "
Handbook for Quartermasters: Pts. I to V.I. Administrative. II. Supply. III ... - Σελίδα 937
των United States. Army. Quartermaster Corps - 1930 - 1192 σελίδες
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Workshop Receipts ...

1883
...way : — Saturate unglazed paper with a solution of 1 oz. pure lead acetate in J pint rain-water ; let it partially dry, then expose in the room suspected of containing sewer gas. The presence of the latter in any considerable quantity soon blackens the test-paper. The Imperial Board of Health...

Columbus Medical Journal: A Magazine of Medicine and Surgery, Τόμος 6

1888
...Saturate unglazed paper with a solution of one troy ounce of pure acetate of lead in eight fluid ounces of rain water ; let it partially dry, then expose...suspected of containing sewer gas. The presence of this gas in any considerable quantity soon blackens the test paper. REVIEWS AND BOOK NOTICES. The Practice...

The British Homoeopathic Review, Τόμος 33

1889
...Saturate unglazed paper with a solution of one troy ounce of pure acetate of lead in eight fluid ounces of rain water ; let it partially dry, then expose...suspected of containing sewer gas. The presence of this gas in any considerable quantity soon blackens the test paper. — Buryoyne's Monthly Journal...

Monthly Homoeopathic Review, Τόμος 33

1889
...:—Saturate unglazed paper with a solution of one troy ounce of pure acetate of lead in eight fluid ounces of rain water; let it partially dry, then expose in...suspected of containing sewer gas. The presence of this gas in any considerable quantity soon blackens the test paper.—Bunjoyne's Monthly Journal of...

The Scientific American Cyclopedia of Receipts, Notes and Queries

Albert Allis Hopkins - 1901 - 734 σελίδες
...multiply by 0-3792848. Air, to Test for Sewer Gas.— Saturate unalazed paper with a solution of 1 oz. of pure lead acetate in half a pint of rain water ; let...suspected of containing sewer gas. The presence of the latter in any considerable quantity soon darkens or blackens the test paper. Alabaster.— Asoft,...

American Library Edition of Workshop Receipts: Being a Complete ..., Τόμος 2

1903
...way : — Saturate unglazed paper with a solution of 1 oz. pure lead acetate in J pint rain-water ; let it partially dry, then expose in the room suspected of containing sewer gas. The presence of the latter in any considerable quantity soon blackens the test-paper. The Imperial Board of Health...

Scientific American Reference Book

Albert Allis Hopkins - 1904 - 516 σελίδες
...by 0.3792848. To TKST AIR FOR SIÍWER GAS. — Saturate unglazed paper with a solution of 1 oz. of pure lead! acetate in half a pint of rain water; let...suspected of containing sewer gas. The presence of the latter in any considerable quantity soon darkens or blackens the test paper. CHAPTER II. ASTRONOMY....

Scientific American Reference Book

Alexander Russell Bond - 1904 - 516 σελίδες
...by 0-3792S4S. To TKST AIR FOR SEWER GAÄ. — Saturate undated paj*er with a solution of 1 o». of pure lead acetate in half a pint of rain water; let it partially dry. then expose in the room sosI*e-ted of containing sewer gas. ТЪе presence o: *he latter in any considerable quantity soon...

Scientific American Reference Book

Albert Allis Hopkins - 1904 - 516 σελίδες
...by 0.3792848. To TEST AIR FOR SEWER GAS. — Saturate unglazed paper with a solution of 1 ож. of pure lead acetate in half a pint of rain water; let it Martially dry, then expose in the room su-- pe-ted of containing sewer gas. The presence of the latter...

Industrial Engineering and the Engineering Digest, Τόμος 2

1907
...Saturate unglazed paper with a Holutlon of ono troy ounce of pure acetate of lead In eight fluid ounces of rain water; let It partially dry, then expose In...presence of gas In any considerable quantity soon blackens the test paper. To Purify Drinking Water. — M. Lambert proposes, In the "British and Colonial...




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