Show aj ammonia 1 la co coal some tons of coal are burned in london yearly about rio are utilized by the gas manufacturing companies are burned in household and industrial fire grates each ton contains sufficient ammonia to pro duca if treated with sulp sulphuric buric acid twenty two to twenty eight pounds of sulphate of ammonia the total los logs of this fertilizing agent is therefore say tons As the price of sulphate of ammonia ammonia is xa 9 the ton the tha monetary loss is ia every year if we were less wasteful wo should not be so much obliged to ransack abili and peru for artificial manures nations gatior il review |