70 A A r c:e Dairy Industry. 



rangement of the bottles, and it was natural that very 

 soon a large number of patent devices sprang into ex 

 istence, some absolutely without any value, others 

 too expensive to find general adoption, and it may be 

 safely averred that the ideal sealing for milk bottles 

 is yet a thing of the future. The porcelain stopper 

 and wire closing arrangement, has grave defects ; 

 those that have the wire ends fixed in holes at the 

 side of the neck of the bottle can hardly be properly 

 cleaned, as colonies of acid bacteria become lodged 

 in these holes from where they are not to be got out. 

 Many do not close hermetically, the tension of the 

 wires being unequal, stronger on one side than on 

 the other; no acid being admissible in the cleansing 

 of these bottles on account of its liability to corrode 

 the wire, they are with difficulty kept clean, the 

 whole wite fixture darkens in the course of time, be- 

 comes rusty, discolors the neck of the bottles and im- 

 parts to them a filthy, slovenly appearance ;. lastly, 

 the wire and stopper, hanging to the bottle, are much 

 in the way where these bottles are to be used for 

 feeding the contents to the infant direct after pulling 

 on a feeding nipple. 



The greatest defect, however, adhering to these 

 bottles, and the one which principally makes them 

 unfit to be utilized in the manufacture and dispensing 

 of food for infants, is that neither the manufacturer 

 nor the buying public are able, by the outward ap- 

 pearance of the bottle or fastening, to detect if the 

 sterilizing effect has been complete, or if it even has 



