Corneal and conjunctival xylanthracosis caused by carbon-gas from generators.

FIG. 1.-Diagram of gas-generator. 1 = metal lid. 2 = aperture of container. 3 = tap with automatic valve. 4 = space (+ of container) for collecting the gas mixture produced. 5 = pipes for conducting the mixed coal-gas to filters. 6 = space (Q of container) serving as fuel bed for the charcoal (combustion chambers). 7 = iron chamber with inner wall of firebricks (height: 1-50 m, diameter: 0 70 m) with grate and cinder box at the bottom. 8 = oven with inner covering of firebricks. 9 = hearth, divided into two compartments-an inner one for fuel and an outer one for water. The water evaporates during the combustion of the fuel in the inner compartment and the steam thus generated envelopes the charcoal above, thus ensuring a slow combustion process. 10 = tank for the water supply of the inner combustion chamber. .11 = smoke escape from hearth. 12 = fan blower. 13 = filter for cleaning the mixed coal gas. 14 = pipe for conducting the generated pure gas to chamber No. 16, i.e. between the spark-plug No. 15 and the cylinder No. 17, where ignition of the gas takes place.