William Gilbert, “De Magnete”, 1600 AD.
John Harrison & Nevil Maskelyae, “The Principles of Mr. Harrison’s Time Keeper“, 1767 was the topic of an earlier blog post on the nautical, “pocket watch”. Here I present the “mariner’s compass” in William Gilbert’s, “De Magnete”, 1600 AD. Shen Kuo, “Dream Pool Essays’, 1088 AD. was the description of the “magnetic, needle … Continue reading William Gilbert, “De Magnete”, 1600 AD.
