THOMSON, William, first Baron Kelvin (1824-1907). Notes of Lectures on Molecular Dynamics and the Wave Theory of Light Delivered at the Johns Hopkins University, Baltimore. By Sir William Thomson ... stenographically reported by A.S. Hathaway. Baltimore: Johns Hopkins University, 1884. 4o (273 x 203 mm). Mimeographed script, text diagrams. Original gray printed wrappers (very minor wear). Modern blue cloth case. FIRST EDITION. Thomson did not write out in advance the series of twenty lectures which he gave at Johns Hopkins University in October 1888, and "part of the extreme interest of the course arose indeed from [Kelvin's] unpreparedness. Admitted to the very laboratory of his thoughts, his hearers became eyewitnesses of his methods, his amazing intuitive grasp, his headlong leaps, his mathematical agility, his perpetual recurrence to physical interpretations, his vivid use of mechanical analogies, and his incessant recourse to models, sometimes actual, sometimes only mentally visualized, by which his meaning could be conveyed" (Silvanus Thompson, William Thomson, 1910, p. 815). The lectures were transcribed in shorthand by A.S. Hathaway, a Fellow of the University, and a small edition of a few hundred copies of these notes was printed by the "papyrograph" process, an early form of mimeograph. Norman 2077. -- Baltimore Lectures on Molecular Dynamics and the Wave Theory of Light Founded on Mr A. S. Hathaway's Stenographic Report of Twenty Lectures Delivered in Johns Hopkins University, Baltimore, in October 1884; followed by twelve appendices on allied subjects. London: C.J. Clay & Sons, 1904. 8o (218 x 138 mm). Text diagrams. Original dark blue cloth, gilt-lettered spine. Provenance: Edith Winchelsea (author's inscription on half-title "Edith Winchelsea May 19, 1904 Kelvin"). Second edition, PRESENTATION COPY. The first version of Lord Kelvin's Baltimore lectures printed from type, with over 250 pages of additional material. Norman 2078. -- Index to Lord Kelvin's volume of Baltimore lectures. Cambridge: University Press, 1905. 8o (215 x 141 mm). Original gray printed wrappers. (2)

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THOMSON, William, first Baron Kelvin (1824-1907). Notes of Lectures on Molecular Dynamics and the Wave Theory of Light Delivered at the Johns Hopkins University, Baltimore. By Sir William Thomson ... stenographically reported by A.S. Hathaway. Baltimore: Johns Hopkins University, 1884. 4o (273 x 203 mm). Mimeographed script, text diagrams. Original gray printed wrappers (very minor wear). Modern blue cloth case. FIRST EDITION. Thomson did not write out in advance the series of twenty lectures which he gave at Johns Hopkins University in October 1888, and "part of the extreme interest of the course arose indeed from [Kelvin's] unpreparedness. Admitted to the very laboratory of his thoughts, his hearers became eyewitnesses of his methods, his amazing intuitive grasp, his headlong leaps, his mathematical agility, his perpetual recurrence to physical interpretations, his vivid use of mechanical analogies, and his incessant recourse to models, sometimes actual, sometimes only mentally visualized, by which his meaning could be conveyed" (Silvanus Thompson, William Thomson, 1910, p. 815). The lectures were transcribed in shorthand by A.S. Hathaway, a Fellow of the University, and a small edition of a few hundred copies of these notes was printed by the "papyrograph" process, an early form of mimeograph. Norman 2077. -- Baltimore Lectures on Molecular Dynamics and the Wave Theory of Light Founded on Mr A. S. Hathaway's Stenographic Report of Twenty Lectures Delivered in Johns Hopkins University, Baltimore, in October 1884; followed by twelve appendices on allied subjects. London: C.J. Clay & Sons, 1904. 8o (218 x 138 mm). Text diagrams. Original dark blue cloth, gilt-lettered spine. Provenance: Edith Winchelsea (author's inscription on half-title "Edith Winchelsea May 19, 1904 Kelvin"). Second edition, PRESENTATION COPY. The first version of Lord Kelvin's Baltimore lectures printed from type, with over 250 pages of additional material. Norman 2078. -- Index to Lord Kelvin's volume of Baltimore lectures. Cambridge: University Press, 1905. 8o (215 x 141 mm). Original gray printed wrappers. (2)