An open fireplace secures due ventilation—Evils of substituting air-tight stoves and furnace heating—Tendency of warm air to rise and of cool air to sink—Ventilation of mines—Ignorance of architects—Poor ventilation in most houses—Mode of ventilating laboratories—Creation of a current of warm air in a flue open at top and bottom of the room—Flue to be built into chimney: method of utilizing it.
V. STOVES, FURNACES, AND CHIMNEYS.
The general properties of heat, conduction, convection, radiation, reflection—Cooking done by radiation the simplest but most wasteful mode: by convection (as in stoves and furnaces) the cheapest—The range—The model cooking-stove—Interior arrangements and principles—Contrivances for economizing heat, labor, time, fuel, trouble, and expense—Its durability, simplicity, etc.—Chimneys: why they smoke and how to cure them—Furnaces: the dryness of their heat—Necessity of moisture in warm air—How to obtain and regulate it.
VI.
HOME DECORATION.
Significance of beauty in making home attractive and useful in education—Exemplification of economical and tasteful furniture—The carpet, lounge, lambrequins, curtains, ottomans, easy-chair, centre-table—Money left for pictures—Chromes—Pretty frames— Engravings—Statuettes—Educatory influence of works of art—Natural adornments—Materials in the woods and fields—Parlor-gardens—Hanging baskets—Fern-shields—Ivy, its beauty and tractableness—Window, with flowers, vines, and pretty plants—Rustic stand for flowers—Ward's case—How to make it economically—Bowls and vases of rustic work for growing plants—Ferns, how and when to gather them—General remarks.
VII.
THE CARE OF HEALTH.
Importance of some knowledge of the body and its needs—Fearful responsibility of entering upon domestic duties in ignorance—The fundamental vital principle—Cell-life—Wonders of the microscope —Cell-multiplication—Constant interplay of decay and growth necessary to life—The red and white cells of the blood—Secreting and converting power—The nervous system—The brain and the nerves—Structural arrangement and functions—The ganglionic system—The nervous fluid—Necessity of properly apportioned exercise to nerves of sensation and of motion—Evils of excessive or insufficient exercise—Equal development of the whole.