622 CHRONOLOGY, JANUARY-AUGUST 1908 January 20 January 27 February 15 February 24 February 27 ca. February 28 March 3 April April 1 April 21 May 2 May 13 May 16 June 28 July 25 August 24 Applies for a position at the Technikum Winterthur. Envelope of Richard Lorenz to Einstein. At Sz, Archiv der Einstein-Gesellschaft, there is a strip torn from a letter(?) signed by Richard Lorenz, on the verso of which Einstein has written Lucien Chavan: "Wäre es nicht vielleicht gescheidt, morgen Mittag abzureisen? Mit bestem Gruss Einstein." "A New Electrostatic Method for the Measurement of Small Quantities of Electricity" (Vol. 2, Doc. 48). The Philosophical Faculty II of the University of Bern approves Privatdozentur for Einstein. Delivers inaugural lecture at the University of Bern: "On the Limit of the Validity of Classical Thermody- namics." Receives venia docendi for theoretical physics and becomes Privatdozent at the University of Bern. "Corrections to the Paper: 'On the Relativity Principle and the Conclusions Drawn from It'" (Vol. 2, Doc. 49) Begins a three-week collaboration with Jakob Laub. "Elementary Theory of Brownian Motion" (Vol. 2, Doc. 50). The summer semester at the University of Bern begins: Einstein teaches a course in the molecular theory of heat. "On the Fundamental Electromagnetic Equations for Moving Bodies" (with Jakob Laub) (Vol. 2, Doc. 51). "On the Ponderomotive Forces Exerted on Bodies at Rest in the Electromagnetic Field" (with Jakob Laub) (Vol. 2, Doc. 52). Works in laboratory of Albert Gockel at the University of Fribourg. Again in Fribourg in Gockel's laboratory. The summer semester at the University of Bern ends. "Correction to the Paper: 'On the Fundamental Electro- magnetic Equations for Moving Bodies'" (with Jakob Laub) (Vol. 2, Doc. 53). summer Vacations with wife and son in the Bernese Oberland.