Two images can be presented as sitting side by side, by covering half the plate with black paper, and exposing as before.

In this manner we have been enabled to surprise persons by exhibiting their portrait on the same plate with a stranger's.

Daguerreotypists must be cautious in practicing this, as it might not be agreeable to the parties whose likenesses are together, by the above process.

It is impossible to produce an impression without a line being seen where the edge of the paper prevented the operation of the light.
I have recently seen a fine specimen produced by another plan, which far exceeds the above, there being no line, or any peculiarity denoting two exposures.

The specimen referred to, was a gentleman represented on one plate by two full length portraits.