Locke, H. B. <br/><br/>
Fuel efficiency handbook :  basic, derived and related data for energy users / 
H. B. Locke. 
 - Cheshire :  Energy users research association,  [?] 
 - 130 p. :  ill. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heating.<br/>Combustion.<br/>Boilers and furnaces.