https://archive.org/search?query=subject%3A%22Maxwell%2C+James+Clerk%2C+1831-1879%22
The scientific papers of James Clerk Maxwell. Vol. 1
by Niven, William Davidson
Publication date 1890-08-13
Topics Maxwell, James Clerk (1831-1879) – dzieła
https://archive.org/details/dbc.wroc.pl.017389/page/456/mode/2up
P456～ 『XXIII. On Physical Lines of Force』
P.520～ 『XXIV. On Reciprocal Figures and Diagrams of Forces.』
P.525～ 『XXV. A Dynamical Theory of the Electromagnetic Field. 』
P.597～ 『 XXVI. On the Calculation of the Equilibrium and Stiffness of Frames.』
The scientific papers of James Clerk Maxwell. Vol. 2
https://archive.org/details/dbc.wroc.pl.017390