46 VEGETABLE FORCING 



likely to be much more faithful in the performance of their 

 duties if they know that a bell will inform the proprietor 

 that the temperature is not being properly controlled. 



It is not unusual for illness or accident to interfere with 

 the work of the night men, and in more than one instance 

 the sudden death of the fireman has caused serious 

 damage to the crops if not their total loss. 



