...shall not anticipate those precepts, which it is his business to give, and your duty to understand. It is indisputably evident that a great part Of every...of those images which have been previously gathered and deposited in the memory ; nothing can come of nothing ; he who has laid up no materials, can prodnce...

...of training and study that should be pursued by every student of art in relation to photography: " It is indisputably evident that a great part of every...of those images which have been previously gathered ami deposited in the memory : nothing can come of nothing ; he who has laid uj> no materials can produce...