30 
¥. 
A Committee to investigate and report upon the Subject of 
Magnetic Deviations in Iron Ships. 
(Appointed May 20, 1863, at the request of the Navy Department.) 
Cuartes Henry Davis, Chairman. 
JosepH Henry. Bens. PEIRCE. 
Wotcorr Gress. FarrMAN ROGERS. 
J. E. Hiregarp. JOHN RODGERS. 
And by authority of Art. IT., Sect. 8, 
Wma. P. TRowsriDGE. 
The Committee reported January 7, 1864. The report 
was adopted and the Committee continued. January 26, 
1866, the Committee reported further, that a number of com- 
passes upon national vessels had been corrected and investiga- 
tions made. On motion, the Committee was continued. 
Vi 
A Committee on Testing and Estimating the Strength of 
- Distilled Spirits. 
(Appointed, at the request of the Secretary of the Treasury, February 
7, 1866 
JosepH Henry, Chairman. 
J. E. Hirea 
M. C. Mees. 
JOSEPH SAXTON. 
= F. A. P. Barnarp. 
Joun Torrey. 
_ FF. A. P. Barnard and John Torrey were appointed a sub- 
committee to make a series of special investigations. The 
ae Committee reported January 26, 1867. The report was 
adopted, and a copy transmitted to the Secretary of the 
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