Photography Indoors and Out: A Book for Amateurs. E-book. Formato PDF Alexander Black   -  Forgotten Books, 2017  - 

A critical Englishman once said that he would like photography better if it were not for the pictures. The remark was doubtless intended as a rebuke to the people who, in their eagerness for the pictorial result, forget that photography is a science, and as a science requires careful study and a clear understanding of the optical and chemical laws upon which it has developed.'