250 



To preserve the equilibrium of the pails, racks made 

 of galvanized iron bars, as shown (figure 43), are used; 

 the spaces are nine inches square, and a pail fits in each 



one. This rests on a shoulder 

 ^ made in the wall of the tank 

 ^ by setting out a row of bricks 

 on each side one inch, so that 



RACK FOR THE PAILS. ^^^ ^'^ck is threc iuchcs bclow 



the water level. There is a 



window at the north end over the tank. A tank of this 



size will hold thirty-five pails of fourteen quarts each, 



or the milk of fifteen to twenty cows. 



Light has the effect of deepening the color of the cream 

 a little, but I never found any difference in the butter 

 from cream kept in closed cans in this tank, or in the 

 submerged cans of the Cooley system, which of course 

 exclude light, as compared with that from cream kept in 

 my shallow-pan dairy used at the same time as this deep- 

 setting milk-house. 



The churning-room is reached by steps from the tank- 

 room, and a glazed door separates the two. Both apart- 

 ments are plastered and hard-fiiiished over lath. The 

 walls are made of two-by-eight studs, covered with build- 

 ing paper on both sides, and outside with tight-fitting 

 *' novelty" siding. This secures a very good non-con- 

 ducting wall, and helps very much to preserve an even 

 temperature. A bench or table (d) is fixed on the east 

 side the whole length of the room. This is made low 

 enough to work at easily, and is for packing butter and 

 other similar work. There is a small table in the corner 

 of the tank-room for the butter to remain on until it is 

 finally worked for packing during either hot or cold wea- 

 ther. At the right hand of the table (d) is a sink with 

 a pump and pipe leading to a drain ; this is as high as 

 tlie table. Another on the level of the floor [c], for 

 washing the churn, is at the right hand of this sink. 



