In the interest of preserving for posterity the wealth of flat Earth knowledge and research done during the late 19th and early 20th century, I am presenting a series of audiobook and PDF downloads to make them more easily and widely available. Today's selection is the London Zetetic Society's 1887 booklet "Chart and Compass, Sextant and Sun-Dial, Latitude and Longitude, Plumbline and Pendulum, Globe or Plane?"