Note 201 — Chapter X · ABERDEEN—MARRIAGE—1857 TO 1860, Æt. 26-29.

For confirmation of this, see Maxwell’s (fragmentary) preface to the smaller treatise on electricity, published posthumously in 1881; especially these words: “In the larger treatise I sometimes made use of methods which I do not think the best in themselves, but without which the student cannot follow the investigations of the founders of the Mathematical Theory of Electricity. I have since become aware of the superiority of methods akin to those of Faraday, and have therefore adopted them from the first.”