The Hunt for Earth Gravity: A History of Gravity Measurement from Galileo to the 21st CenturyEbookThe Hunt for Earth Gravity: A History of Gravity Measurement from Galileo to the 21st CenturybyJohn MilsomRating: 4 out of 5 stars4/5Save The Hunt for Earth Gravity: A History of Gravity Measurement from Galileo to the 21st Century for later