VM 



MR ROBERT COCKBURN" MOSSMAN ON 



Table LVII. — continued. 



Year. 



Jan. 



Feb. 



Mar. 



April. 



May. 



June. 



July. 



Aug 



Sapt. 



Oct. 



Nov. 



Dec. 



Year. 













liund 



redths 



of an 



Inch. 











Thousandth 

 of au Inch 



1811 



8 



22 



9 







5 



5 



4 



2 



9 



5 



1 



7 



8 ' 



1812 



10 



n 



4 



I 



2 



7 



4 



5 



15 



11 



7 



2 



9 



1813 



7 



17 



1 



1 



4 



4 



9 



5 



13 



18 



2 



2 



6 



1811 



1 



9 



5 



2 



8 



4 



2 



6 



12 



9 



1 



1 



10 



1815 



3 



5 



8 



8 



6 



1 



3 



1 



8 



4 



2 



11 



20 



1816 



12 



4 



19 



7 



1 



1 



1 



1 



3 



5 



2 



7 



27 



1817 



13 



12 



18 



7 



4 



5 



2 



3 







8 



4 



4 



82 



1818 



12 



4 



11 



6 



6 



4 







2 



2 



5 



3 



2 



19 



1819 



3 



5 



17 



3 



5 



3 



5 



2 



1 



4 







5 



7 



1820 



5 



8 



15 



3 



2 



9 



6 



5 



1 



5 



6 



5 



9 



1821 



10 



3 



9 



3 



1 



7 



1 







3 



8 



1 



5 



8 



1822 



15 



8 



10 



2 







10 







8 



2 



10 



8 



8 



6 



1823 



19 



7 



6 



1 



5 



9 



4 



2 







8 



13 



18 



4 



1824 



21 



4 



6 



5 



9 



10 



4 



3 



2 



9 



10 



7 



20 



1825 



15 







1 



4 



2 



5 



8 



2 



2 



6 



1 



16 



13 



1826 



16 



7 



3 



1 



3 



5 



5 



2 



2 







4 



12 



21 



1827 



15 



9 



7 



7 



4 



6 











2 



5 



7 







35 



1828 



14 



1 



5 



13 







3 



7 



1 



6 



11 



9 



3 



15 



1829 



9 



1 



1 



16 



2 



5 



6 



1 



8 



8 



6 



1 



12 



1830 



12 



3 



6 



14 



2 



5 



4 



6 



6 



10 



2 



2 



2 



1831 



19 



10 



8 



15 



5 



8 



3 



3 



7 



5 



1 



5 



7 



1832 



11 



10 



7 



1 



3 



11 



9 



3 







4 



2 



5 



3 



1833 



10 



14 



5 



9 



4 



6 



11 



1 



1 



4 



1 



4 



20 



1834 



9 



6 



4 



10 



10 



8 



9 



2 



1 



1 



1 



5 



19 



1835 



10 



9 



1 



7 



10 



7 



5 



4 



2 



1 



1 



6 



15 



1836 



7 



1 



5 



6 



8 



5 



4 



1 



2 



2 



4 



18 



22 



1837 



12 



5 



11 



2 



8 



4 







3 



12 



6 



8 



7 



3 



1838 



2 



1 



1 



1 



8 



8 



3 



1 



10 



11 



16 



8 



9 



1839 



2 



1 



5 







1 



5 



4 



3 



12 



7 



16 



4 



19 



1840 



2 



2 



1 



6 



3 



3 



4 



2 



12 



9 



15 



4 



16 



1841 



9 



1 



4 



7 



6 



2 



5 







8 



3 



13 



9 



16 



1842 



6 



2 



3 



7 



1 



3 



4 



3 



2 



6 



11 



18 



6 



1843 



2 



2 



4 



3 



1 



4 



2 



5 



6 



9 



10 



7 



18 



1844 



5 



3 



6 



2 



1 



3 



2 



2 



11 



10 



6 



13 



8 



1845 



8 



2 







8 







5 



1 



2 



9 



11 



8 



9 



17 



1846 



1 



9 



7 



7 



3 



8 







5 



4 



8 



1 



1 





1847 



5 



1 



1 



H 



3 



6 



1 



2 



4 



4 



2 



1 



80 



1848 







4 



2 



19 



5 



4 







2 



7 



5 







4 



23 



1849 



2 







3 



16 



2 



6 







1 



12 







1 



10 



2 



1850 



10 



2 



7 



7 



1 



11 



1 



5 



15 



1 



6 



5 



14 



1851 



18 



5 



14 



7 



1 



9 



4 



2 



14 



5 



4 



9 



5 



1852 



20 



4 



15 



1 



5 



12 



8 



2 



14 



6 



8 



2 



/.; 



1853 



17 



8 



4 



6 



5 



11 



4 



1 



13 



11 



5 



1 



10 



1854 



19- 



5 



12 



3 



8 



11 



2 



3 



5 



5 



9 



10 



M 



1855 



13 



5 



4 



1 



6 



3 



4 



4 



2 



5 



19 



2 



4 



1856 



1 



11 



3 







10 



1 



l 



5 



5 



1 



19 



4 



24 



1857 



6 



5 



4 



6 



4 



4 



3 



4 



2 







21 



4 



20 



1858 



7 



7 



4 



5 



4 



2 



6 



2 



4 



5 



18 



5 



2 



1859 



4 



5 



15 



3 







1 







4 



5 



2 



8 



3 



2 



1860 



5 



8 



16 



2 



8 



6 



2 



9 



3 



1 



4 



1 



17 



Note. — The heavy type indicates an excess, and the italic type a defect. 



