TY  - BOOK
AU  - Jacob, W. S.,
ED  - Madras.
TI  - Magnetical observations: Observatory at madras ; under the superintendence of w. s. jacob in the years 1851-1855 ; publised by order of the madras government
AV  - QC820 M34
PY  - 1884///
CY  - Madras
PB  - Lawrence asylum
KW  - Observatory at Madras
KW  - Geomagnetismo
KW  - Observaciones
ER  -