10.8 4.0 "
14.0 2.8 "
______ ______
Average 12.9 3.9
(11 analyses) ______ ______
11.5 Not determined.
14.3 "
14.6 "

Damper adjusted so that a slight smoke was observable in the combustion
gases.

CO_{2}. O. CO.
17.30 None. Not determined.
16.60 " "
16.50 0.1 "
15.80 0.1 "
16.20 1.8 0.7
_______ _____ _____
Average 16.48 0.4 0.7

--_Gas Engineer_.

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A NEW MERCURY PUMP.