MARKETING 135 
what, and it is best to follow carefully the 
directions which the manufacturer gives. 
Most instructions, however, recommend one 
part of water-glass to ten parts of boiled and 
cooled water. 
Care should be taken to avoid the use of 
any metal container; a wooden firkin or a 
stoneware jar should be used. The eggs may 
be placed in either of these containers as 
gathered or purchased and at least two inches 
of the solution should cover the eggs at all 
times. If some slime forms during the fall 
over the top of the eggs it will cause no harm. 
If it is desired to boil eggs that have been 
preserved in water-glass, a needle may be 
thrust through the large end of the egg. 
The egg may then be boiled without the shell 
cracking. 
Selling Eggs by Parcel Post. A com- 
paratively recent development of the market- 
ing end of the business has been through 
parcel-post deliveries. This is especially of 
interest to the small producer. Where. a 
poultryman sells by parcel post, his trans- 
actions are a personal matter between him- 
self and the consumer. Under these condi- 
