Chapter C: K. P. (Newport). From the specimen forwarded, we doubt whether the

paper is Turner's; if it is, it is not his desirable make. The negative it is evident, from its redness and want of gradation of tint throughout, has been far too long exposed. We have seen the brown spots complained of occur when the paper has been too long excited before use._

E. Y. (Rochester). _It is probable that the spot of which you complain is from light reflected from the bottom of the camera, not from the interior of the lens. If so, the application of a piece of black velvet would remedy this. As the spot is always is one place, it must depend upon light reflected from some one spot._