22 HYDROGRAPHY. 



RATES OF CHRONOMETERS. 



UNITED STATES EXPLORING EXPEDITION. 





CHRONOMETER RATES. 





DATE. 









J' 









V. 



REMARKS. 







1567 



972 



2037 



2088 



766 



169 



3001 



2203 





1838. 





















Aug. 10, . 



-f- 1-4 



— 1-06 



+ 4-24 



+ 2-20 



+ 0-22 



+ 1-65 



— 095 



— 3-46 



Rate by observa- 



" 24, . 



+ 1-39 



— 0'09 



+ 5-20 



+ 5-72 



+ 1-66 



+ 2-13 



+ 0-34 



— 2-01 



tions at Nor- 

 folk. 



" 31, . 



+ 1-39 



— 24 



+ 4T61 



+ 8-61 



+ 1-83 



+ 1-23 



— 0-78 



— 2-31 



Sept. 7, . 



+ 1-38 



+ 0-26 



+ 5-19 



+ 4-64 



+ 2-11 



+ 1-47 



— 0-31 



— 2-17 





" I 4 , • 



+ 1-38 



+ 0-71 



+ 4-97 



+ 0-61 



+ 2-40 



+ 1-19 



— 0-31 



— 2-31 





" 21, . 



+ 1-37 



+ 0-96 



+ 5-18 



+ 0-61 



+ 2-61 



On shore. 



— 0G7 



— 2-38 



AtFunchal. 



" 28, . 



+ 1-36 



+ 61 



+ 5-26 



+ 0-47 



+ 2-40 



+ 1-82 



— 0-81 



— 2-67 





Oct. 5, . 



+ 1-35 



+ 0-54 



+ 5-33 



+ 0-68 



+ 2-17 



+ 1-04 



— 0-60 



— 2-46 





" 12, . 



+ 1-35 



+ 0-28 



+ 5-68 



+ 0-26 



+ 2-13 



+ 1-33 



+ 0-04 



— 2-78 



" 10, . 



+ 1-34 



+ 0-30 



+ 5-15 



+ 2-16 



+ 2-14 



+ 1-65 



— 0-40 



— 2-18 



At Rio Janeiro. 



" 26, . 



+ 1-36 



+ 023 



+ 6-41 



+ 0-77 



+ 2-03 



+ 0-71 



— 0-08 



— 3-31 





Nov. 2, . 



+ 1-40 



+ 0-94 



+ 6-69 



+ 1-01 



+ 2-84 



+ 1-41 



+ 0-48 



— 1-92 





" 9 » • 



+ 1-46 



+ 1-19 



+ 6-69 



+ 1-12 



+ 3-01 



+ 0-84 



+ 0-34 



— 1-76 





" 16, . 



+ 1-54 



+ 1-41 



+ 6'84 



+ 1-15 



+ 2-98 



+ 0-69 



+ 0-58 



— 2-01 





" 23, . 



+ 1-65 



+ 1-45 



+ 6-91 



+ 1-45 



+ 2-79 



+ 1-55 



+ 0-34 



— 2-23 





" 30, . 



+ 1-77 



+ 154 



+ 7-19 



+ 1-02 



-f 2-82 



+ 1-38 



+ 0-31 



— 3-30 





Dec. 7, . 



+ 1-91 



+ 1-63 



+ 7-30 



+ 1-23 



+ 2-74 



+ 1-47 



+ 0-37 



— 3-00 





" 14, . 



+ 2-07 



-f 1-48 



+ 7-34 



+ 0-98 



+ 2-37 



On shore. 



+ 0-24 



— 3-42 





" 21, . 



+ 2-26 



+ 1-24 



+ 6-81 



-f 0-95 



+ 2-17 





+ 0-71 



— 3-44 





" 28, . 



+ 2-46 



+ 1-24 



+ 7-45 



+ 1-05 



+ 2-12 



+ 2-23 



+ 1-08 



— 3-14 





1839. 





















Jan. 4, . 



+ 2-69 



+ 1-96 



+ 7-79 



+ 1-91 



+ 3-00 



+ 2-31 



+ 1-82 



— 2-17 





" 11, • 



+ 2-93 



+ 2-78 



+ 9-11 



+ 2 64 



+ 3-83 



+ 2-47 



+ 2-85 



— 1-83 



On leaving Rio 



" 18, . 



+ 2-93 



+ 2-83 



+ 8-39 



+ 2-47 



+ 404 



+ 2-17 



+ 2-253 



— 1-73 



Janeiro. 



" 25, . 



+ 2-94 



+ 2-96 



+ 8-26 



+ 2-79 



+ 4-53 



+ 2-40 



+ 2-23 



— 1-57 





Feb. 1, . 



+ 2-94 



+ 2-94 



+ 8-57 



+ 2-90 



+ 4-46 



+ 2-47 



+ 2-84 



— 1-61 





" 8, . 



+ 2-95 



+ 2-86 



+ 8-76 



+ 2-89 



+ 4-97 



+ 1-93 



+ 2-00 



— 1-67 





" 15, . 



+ 2-96 



+ 2-92 



+ 8-89 



+ 3-04 



+ 5-54 



+ 1-63 



+ 1-69 



— 1-83 





" 22, . 



+ 2-97 



+ 3-17 



+ 11-22 



+ 2-67 



+ 5-53 



+ 1-93 



+ 2-29 



— 1-99 





Mar. 1, . 



+ 2-99 



+ 3-67 



+ 12-50 



+ 3-22 



+ 6-00 



+ 1-97 



+ 1-87 



— 1-95 





" 8, . 



+ 3-00 



+ 3-62 



+ 10-62 



+ 2-79 



+ 6-57 



+ 2-00 



+ 3-54 



— 1-85 





" 10, . 



+ 3-02 



+ 3-65 



+ 10-74 



+ 299 



+ 7-25 



+ 2-12 



+ 2-94 



— 1-60 





" 22, . 



+ 3-02 



+ 3-77 



+ 10-18 



+ 2-96 



+ 625 





+ 2-64 



— 1-91 





" 29, . 



+ 3-03 



+ 3-66 



+ 13-23 



+ 2-88 



+ 7-73 





+ 2-95 



— 1-41 





April 5, . 



+ 3-04 



+ 3-59 



+ 10-59 



+ 2-95 



+ 6-88 





+ 3-02 



— 1-69 





" 12, . 



+ 3-0G 



+ 3-59 



+ 10-45 



+ 3-09 



+ 6-59 





+ 3-30 



— 1-91 





" 20, . 



+ 3-08 



+ 3-67 



+ 9-77 



+ 3-12 



+ 6-94 



+ 2-06 



+ 3-17 



— 1-63 





" 27, . 



+ 3-00 



+ 3-38 



+ 10-88 



+ 2-62 



+ 9-26 



+ 1-88 



+ 2-66 



— 1-12 





May 4, . 



+ 3-13 



+ 3-38 



+ 10-77 



+ 2-83 



+ 9-63 



+ 1-85 



+ 2-88 



— 1-21 





" 11, • 



+ 3-16 



+ 3-28 



+ 9-05 



+ 3-28 



+ 9-01 



+ 2-12 



+ 3-31 



— 1-36 





" 18, . 



+ 3-19 



+ 3-09 



+ 9-36 



+ 3-12 



+ 9-27 



+ 1-92 



+ 3-13 



— 1-83 





