Size, the mere number of square inches, of a picture, counts for nothing. A small picture may be quite as satisfying as a large; for remember that, a… - Alfred Horsley Hinton

With most of us, even without special training, there is a certain instinctive sense of proportion, and thus we recognize the relative distance of objects by their relative size.

There is a difference in printing greater depth to any portion with the negative and shading down without the negative. In the former case we get a deeper and stronger image, still preserving to a great extent the relative contrasts between the lights and shades in that portion. This is not always what we require. In order to concentrate attention upon that is, to emphasize, some particular spot, it may be desirable to shade down and flatten some portion.

The texture of the printed image is of such peculiar character that neither brush or liquid paint seem capable of imitating it.