manship. Then why is it that other incubators 

 are offered at such low prices ? Simply because 

 the material in one of Mr. Campbell's incubators 

 costs more than many of the gaudy rattle-trap 

 machines are sold for. The craze to get something 

 for nothing creates a lively market for worthless 

 so-called incubators. 



THE EUREKA INCUBATOR. 

 Manufactured By J. I,. CAMPBELL, West Elizabeth, Pa. 



The Improved Simplicity Hatcher consists of 

 an egg chamber enclosed on four sides, top and 

 bottom by double walls, six inches thick, four inches 

 of which are packed with a light non-conductor of 

 heat. Above this egg chamber is a heater (hot- 

 84 



