

In this book, it appears an explanation in outline about the emergence and development of electric lighting, and more in detail, about the way in which it was introduced and started in Cuba, from the 1880s.
It contains abundant material, so far unpublished or that has appeared in specialized publications almost inaccessible, derived from researches made through many years. This material is presented in a wide context which spreads in space to the whole world, and in time until the most remote origins of light created by man.