 | 1883 - 524 σελίδες
...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... | |
 | 1888 - 590 σελίδες
...poisonous gas in a room may be detected as follows : Saturate unglazed paper with a solution of one troy ounce of pure acetate of lead in eight fluid...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... | |
 | 1889 - 790 σελίδες
...sewer gas in a room may be detected as follows : — Saturate unglazed paper with a solution of one troy ounce of pure acetate of lead in eight fluid...suspected of containing sewer gas. The presence of this gas in any considerable quantity soon blackens the test paper. — Buryoyne's Monthly Journal... | |
 | 1889 - 780 σελίδες
...of sewer gas in a room may be detected as follows :—Saturate unglazed paper with a solution of one troy ounce of pure acetate of lead in eight fluid...suspected of containing sewer gas. The presence of this gas in any considerable quantity soon blackens the test paper.—Bunjoyne's Monthly Journal of... | |
 | 1889 - 416 σελίδες
...immediate. To Detect the Presence of Sewer-gas. — Saturate unglazed paper with a solution of one ounce of pure acetate of lead in eight fluid ounces of rain water ; let it partly dry, then expose it in the room suspected. The presence of the gas in any considerable quantity... | |
 | Albert Allis Hopkins - 1901 - 734 σελίδες
...Sewer Gas.— Saturate unalazed paper with a solution of 1 oz. of pure lead acetate in half a pint of rain water ; let it partially dry, then expose...suspected of containing sewer gas. The presence of the latter in any considerable quantity soon darkens or blackens the test paper. Alabaster.— Asoft,... | |
 | 1903 - 504 σελίδες
...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... | |
 | Albert Allis Hopkins - 1904 - 558 σελίδες
...SIÍWER GAS. — Saturate unglazed paper with a solution of 1 oz. of pure lead! acetate in half a pint of rain water; let it partially dry, then expose in...suspected of containing sewer gas. The presence of the latter in any considerable quantity soon darkens or blackens the test paper. CHAPTER II. ASTRONOMY.... | |
 | 1904 - 572 σελίδες
...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... | |
 | Nehemiah Hawkins - 1909 - 710 σελίδες
...sewage in drainage systems. To test for sewer gas . saturate unglazed paper with a solution of one troy ounce of pure acetate of lead In eight fluid...considerable quantity soon blackens the test paper. Sewer Trap.— A sealing apparatus whereby gases from the main sewers are prevented from passing into... | |
| |
In eight fluid ounces 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 blackens the test paper. 
