TY  - SER
AU  - Hall,Basil
TI  - Letter from Captain Basil Hall, R. N. to Captain Kater, communicating the details of experiments made by him and Mr. Henry Foster, with an invariable pendulum, in London; at the Galapagos Islands in the Pacific Ocean, near the Equator; at San Blas de California on the N. W. coast of Mexico; and at Rio de Janeiro in Brazil: With an appendix, containing the second series of experiments in London, on the return (abstract) 
U1  - 526.1 23
PY  - 1830///
KW  - Geodesy
KW  - Geodesía
KW  - Galápagos
ER  -