Em 


?,!Re po r t, Annual of the Chief of Ordnance made to the Secretary of '-i l-War for the Year 1870. 8. Washington 1870. 

-of the Chief of Ordnance to the Secretary of War. For the 
fiscal Yearended june 30, 1875-1877. (2 Bde.) 

8. Washington 187&-1877. )