Ventilation. 70 



for a day or two, and although the thermometer maj- 

 not fall below sixty, the change from summer heat is 

 very great. Whenever this occurs, no matter if it is 

 in July, start a little circulation in your pipes, leaving 

 the ventilators open sufficiently to prevent the temper- 

 ature from rising unduly, and this will allow gathered 

 moisture to escape. 



The great aim to he sought after is an even tempera- 

 ture, and as often as the changes of the season rise 

 above or fall below our standard, just so often must we 

 employ everj^ means in our power to counteract their 

 extremes. 



The habit of closing the ventilators to save fuel, or 

 the trouble of starting the fires, as well as the idea 

 that no fire is needed until frosts come, has not yet 

 wholly passed out of practice or belief, and it may truh- 

 be said to be the lazy man's economy. Not a season 

 passes but what, somewhere, I enter just such houses 

 as these. Could their owners but know that for every 

 dollar saved in this way they were drawing on the future 

 for ten, and perhaps hundreds of dollars, they would, 

 if they desired to consult their own best interest, reverse 

 the practice. 



Should the day be bright and warm and the night 

 following so cool as to cause the thermometer to fall to 

 50 or 55, you will find in the morning that the foliage 

 is covered with dew. To the novice this may seem a 

 healthy condition, but a few nights of this, and in a 



