Subject ASC0001h6p
The Quarterly journal of the Geological Society of London.
v.60 (1904), Page 219 (1904)
Smithsonian Libraries
BHL Page 35259663
Keywords
Earhtquake Omori horizontal pendulum Birmingham march 24th 1903 earthquake record 3-24-1903 Omori horizontal penjulum record of an earthquake earthquake recording chart measure Omori horizontal pendulum. earthquake seismograph birmingham 1903 earthquake omori horizontal pendulum omori pendulum