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POITLTRY CtTLTUBE 



candlers. A home-made candler can be made by taking a box 

 made of paste-board, the size a pair of shoes comes in, and cut 

 an oval hole three-fourths as large as an egg in the center of the 

 bottom of the box. Then cut a hole about 2 inches in diameter 

 in one end of the box. Place a lamp in the box, with hole in 

 the end of the box at the top of the chimney. Place the hd 



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Fig. 145. — Different types of egg candlers: a, The commercial egg candler 

 as used in wholesale houses; 6, the boys and girls poultry club type, made 

 from a shoe-box and a small lamp; c, a tin globe egg candler; d, a candler 

 provided with dry cells and a small electric bulb. 



on so as to make the interior of the box dark. Light the lamp 

 before placing it. Darken the room by pulling the blinds 

 down. Hold an egg before the hole in the center of the box 

 (Fig. 145). If it is a fresh egg you will note the small air-cell 

 at the top end. The yolk appears as a darker shadow, rounded 

 and floating near the center. If it is fertile and has been in- 

 cubated for five or six days, the embryo will appear somewhat 

 resembling a spider, that is, radiating from the small, tiny 

 embryo will be noted small blood-vessels; whereas, if the 



