...of oxygen is insufficient to ignite all the carbon, which then escapes in the form of smoke or soot. It must not, however, be hastily assumed that if the flame does not give out a bright ligbt, therefore the combustion is not complete. As has already been stated, the light of the gas flame...

...escapee in the form of smoke or soot. It must not, however, be hastily assumed that If the flame do not give out a bright light, therefore the combustion...presence of burning particles of solid carbon, which ia set free by the combustion of the hydrogen with which it is combined. After it is separated from...

...escapes in the form of smoke or soot. It must not, however, be hastily assumed that if the flame do not give out a bright light, therefore the combustion...the hydrogen it immediately assumes a solid form. The volatile matter (this term does not include the moisture), consists of hydro-carbons which differ...

...of oxygen is insufficient to ignite all the carbon, which then escapes in the form of smoke or soot. It must not, however, be hastily assumed that if the...the hydrogen it immediately assumes a solid form. It the coal gas is mixed with a sufficient quantity of air before it is burned, the oxygen in the latter...