CLINKER COOLING, GRINDING, AND STORAGE. 



549 



running lengthwise of the building over the bins. From these belts 

 the cement can be deflected into any one of the 60 bins." 



LONGITUDINAL SECTION OF STOCK HOUSE, SHOWING CONVEYORS AND ELEVATORS 

 21 H.T. Moto, TTUM^^ ^ 21M " 8plockeb 



-'Eleyator 

 ~^Z2^ Sprocket 

 .4H"Sprockrt 



LONGITUDINAL SECTION '' CJ5OSS SECTION , 



DETAIL OF PASSAGE WAY BETWEEN STOCK HOUSE frjj <CEos.! 



AND MACHINERY BUILDING 2 ^e Shaft - 



yHO K.E.M. 



East WU of 



PART PLAN 



FIG. 140. Plan and sections of stock-house, Hudson Portland Cement Co., 

 showing conveying machinery. (Engineering News.) 



Testing at the mill. The contents of each bin should be sampled 

 as soon as it is filled, and the usual physical tests made on these samples, 

 supplemented by analysis if need be. If the cement is weak or unsound, 

 it is far better in every way to detect it at the mill than to run the risk 

 of having it rejected at the work. The results of these tests are then 

 forwarded to the purchaser with each shipment, typical blanks for 

 this purpose being shown on page 550. 



Of recent years it has become the fashion, in specifications for cement 

 for important work, to require that the purchaser should be represented 

 at the cement-mill by an inspector during the manufacture and ship- 

 ment of the cement covered by the specifications. This practice, if 



