178 SCHOOL OF MINES LIBRARY. 



THE DEPARTMENT OF AGRICULTURE. WASHINGTON, 

 I). C. 



ANNUAL REPORT of the Commissioner of the Department of 



Agriculture for the years 



1861 to 1865. 5 vols. 8vo. Washington. Continued 



under the title : 

 Monthly Reports of the Department of Agriculture. 



1866 to 1874 ; 1875, January to July. 



9 vols. Svo. Washington. 



THE UNITED STATES PATENT OFFICE. WASHINGTON, 

 D.C. 



ANNUAL REPOETS OF THE COMMISSIONER OF PATENTS. 

 MECHANICAL REPORTS. For the years 



1845. 1855, Vols. 1, 2, 1864, Vols. 1, 2. 



1847. 1856, " 1, 2, 3. 1865, " 1, 2. 



1848. 1857, " 1,2,3. 1866, " 1,2,3. 



1849. 1859, " 1,2. 1867, " 1,2,3. 



1850. 1860, " 1,2,4. 1868, " 1,2,3,4. 



1852. 1861, " 1,2. 1869, " 1,2,3. 



1853. 1862, " 1, 2. 



1854. Vols. 1, 2. 1863, " 1, 2. 

 AGRICULTURAL REPORTS. For the years 1850 to 1861. 



12 vols. Svo. 



After 1861 the information contained in these reports was published by the De- 

 partment of Agriculture under the title : Annual Reports of the Commissioner of 

 the Department of Agriculture. 



OFFICIAL GAZETTE of the United States Patent Office. 



4to. Weekly. Two vols. a year. Washington, 1872 to date. 



Vols. III. to VIL, January, 1873, to June, 1875. 

 Index Volume. 1873 ; for Vols. III. and IV. of the Official 

 Gazette, and Monthly Volumes, Jan. to Dec., 1873. 



THE UNITED STATES SIGNAL OFFICE. WASHINGTON, 

 D.C. 



REPORT OF THE CHIEF SIGNAL OFFICER of the United States 

 Signal Office for the year 1872. 



8vo. 292 pp. Washington, 1872. 



THE UNITED STATES NAVAL OBSERVATORY. WASH- 

 INGTON, D. C. 



ASTRONOMICAL AND METEOROLOGICAL OBSERVATIONS made at 

 the United States Naval Observatory. Published by au- 

 thority of the Hon. Secretary of the Navy. Admiral B. F. 

 Sands, Superintendent. 



OBSERVATIONS FOR 1867. 4to. 487pp. Washington, 1868. 

 APPENDIX 1. Harkness, William. Report on the Differ- 

 ence of Longitude between Washington and Havana, 

 Cuba. 4to. 39 pp. Washington, 1868. 



