ON FUEL ECONOMY. 293 



Summary of Results. 



The following table gives a summary of the usual values obtained by the methofl.^ 

 outlined in the foregoing Appendix. It is to be understood that the phrase ' com- 

 mercial ' means a range or appliance as supplied by makers and used in an ordinary 

 manner, and that the term ' specially designed ' refers to appliances designed by mo 

 for these tests which, though expensive in construction, are thoroughly practical in 

 character. 



Solid Fuel Appliances. 



Oven. 



Highest value with specially designed range 

 High values with commercial ranges .... 



Usual values with commercial ranges .... 

 Lowest value with commercial range .... 



Hot-Water Supply. 



Highest value with specially designed semi-independently fired boiler 

 High values with commercial appliances ... ^- 



Usual values with commercial appliances 

 Lowest value with commercial appliance 



Hot Plate. 



Highest value with specially designed appliance 



High values with commercial appliances .... 



Usual values with commercial appliances 



Lowest value with commercial appliance 



Gas Appliances. 



Oven. 



Highest value with specially designed oven ..... 56-0 



Highest value with commercial oven ...... 38'0 



Lowest value with commercial oven ...... 17'0 



Hot Plate. 



Highest value with specially designed appliance . . 60-0 



Highest value with commercial appliance .... 55-0 



Lowest value with commercial appliance (old pattern) . . . 17'0 



Griller alone (excluding boiling vessel standing over grilhr]. 



Highest value with commercial appliance ..... 19-0 



Lowest value with commercial appliance ..... 10-0 



A. H. Barker 



