A sketchbook of experimental physics
Gunhild Berg, Fellow of the Zukunftskolleg, edited a book "Collegium über Naturlehre und Astronomie bei Georg Christoph Lichtenberg, Göttingen 1796/1797; ein Skizzenbuch der Experimentalphysik“ which was recently published. In this book the author, Jakob Friedrich Dyckerhoff collected sketches and notes of the lectures of G. C. Lichtenberg. He also described there Lichtenberg’s principle of trusting in nature as in a teacher.
More information about the book and also the abstract are available here.