...be poked nor stirred from above. 12. House heaters must have provision for over draft through flre door or around top of fire pot. 13. The fuel pot must...of the fire as possible. Never shake or disturb a low fire until you have added and Ignited a little fresh fuel. 14. Anticipate the heating demand by...

...not appear in the ashes at any time. (3) The fuel pot should be kept full with fire surface at the level of fire door; let ashes accumulate on (not under) the grate in mild weather. Grates should not be shaken too long nor violently, and clinkers should be removed with as little disturbance...