Johnston, H. F.
Magnetic results from Huancayo observatory, Perú, 1922-1935 - Washington, D.C: Carnegie Institution of Washington Publication, 1948. - 609 páginas: gráficos; 28 cm - Carnegie Institution of Washington publication .
Volumen X-A
1. The observatory site -- 2. The observatory buildings -- 3. General program of investigations -- 4. Magnetic absolute instruments and methods of use -- 5. Variation instruments and methods of use -- 6. Constants of the variometers and notes on instrumental operation and maintenance -- 7. Absolute observations and variometer base-line values -- 8. Basic hourly values and associated means
GEOMAGNETISMO
HUANCAYO
PERÚ
538.7/C28M
Magnetic results from Huancayo observatory, Perú, 1922-1935 - Washington, D.C: Carnegie Institution of Washington Publication, 1948. - 609 páginas: gráficos; 28 cm - Carnegie Institution of Washington publication .
Volumen X-A
1. The observatory site -- 2. The observatory buildings -- 3. General program of investigations -- 4. Magnetic absolute instruments and methods of use -- 5. Variation instruments and methods of use -- 6. Constants of the variometers and notes on instrumental operation and maintenance -- 7. Absolute observations and variometer base-line values -- 8. Basic hourly values and associated means
GEOMAGNETISMO
HUANCAYO
PERÚ
538.7/C28M