134 GEOLOGY OF OLD HAMPSHIRE COUNTY, MASS. 



Tests of American and EnijUsh emery. 



RECAPITULATION. 



Yours, respectfully, 



(Signed) W. G. Chamberlain, Foreman. 



Respectfully referred to Mr. Taft for his inforniation. 



(Signed) T. T. S. I^kivumy , Major of Ordnance. 



U. S. Armory, Springfield Milling Shop, April 27, 1865. 

 Sir: The following is a report on the result of an experiment made in this department on 

 American and English emery, No. 70 : 



A quantity of Nos. 80 and 90 American emery is desirable for further experiments. 

 Very respectfully, 



(Signed) W. G. Chamberlain, Foreman. 



[Indorsement.! 



Respectfully forwarded to Mr. Taft for his information. Several workmen this morning asked 

 for the American emery to put on their wheels. This is the best indication of its quality. Please 

 send as soon as possible some of Nos. 80 and 90. 



(Signed) T. T. S. Laidley, Major of Ordnance. 



