The 1st edition of his "History of the Theories of Aether and Electricity" is available for free here: https://archive.org/details/historyoftheorie00whitrich/pa

The 1st edition of his "History of the Theories of Aether and Electricity" is available for free here: https://archive.org/details/historyoftheorie00whitrich/page/n6/mode/2up https://archive.org/details/historyoftheorie00whitrich/page/...