^05-309. i' Received from Concord, IVlass. 



II. Received from Boston, Mass. 



III. Received from Concord, Mas^s. 



IV. Received from Concord, Mass. 



V. Received from ('oiicord, Mass. 



Moisture at 100^ C, 

 Potassium oxide, 

 Phosplioric acid, 

 Calcium oxide. 

 Insoluble matter, 

 310-314- I- Received from Concord, ]\Iass. 

 II. Received from Concord, Mass. 



III. Received from Concord, Mass. 



IV. Received from Concord, j\Iass. 



V. Received from North lladiey, Mass. 



I'er cent. 

 IH. 



10.37 13.3o 10.32 

 5.92 5.88 7.12 

 .83 



Moisture at 100" C 

 Potassium oxide, 

 Phosplioric acid, 

 Calcium oxide, 

 Insoluble matter, 



315-319. I 



II 

 III. 

 IV. 



V. 



II. 

 13.35 



5.88 

 .79 



1.07 



14.44 6.09 



15.79 

 Received from Concord, i\Iass. 

 Received from Beverly, Mass. 

 Received from Fitchburg, Mass. 

 Received from Fitchburg, Mass. 

 Received from Dauvers, Mass. 



Moisture at 100° C, 

 Potassium oxide. 

 Phosphoric acid, 

 Calcium oxide, 

 Insoluble matter, 



320-324. I. 



II. 



III. 



IV. 



V. 



I. 

 10.42 

 6.00 

 .28 

 38.43 

 13.28 

 Reci ivcd from Amherst, Mass. 

 Received fiom South Deerfield, Mass. 

 Received from North Sudbury, Mass. 

 Received from Rock Bottom, Mass. 

 Received from IJcverly, Mass. 



*Not ticterniined. 



