262 GREENHOUSES 



For an all wood frame house the cost of 

 material will probably be from 15 to 25 

 per cent, less than the above andthe cost of 

 erection from 10 to 20 per cent. less. 



For an all metal frame house the cost for 

 materials will range from 25 to 40 per cent, 

 greater than for the semi-iron construction, 

 but the cost of erection will be less. 



Information Required for Estimates. In 



writing for estimates the following informa- 

 tion should be given : 



1. Type of house (semi-iron, all metal, 

 etc.). 



2. Kind of roof (even span, three quarter 

 span, etc.). 



3. Length and width (if range, send 

 sketch showing arrangement). 



4. Height to eaves. 



5. Pitch of roof or height to ridge. 



6. Size of glass preferred. 



7. Kind of heat (hot water, steam, vapor). 



8. Temperature to be maintained. 



9. Coldest outside temperature expected. 



10. Kind of fuel (hard or soft coal). 



