SLIP v. 3 definitions
To depart, withdraw, enter, appear, intrude, or escape as if by sliding; to go or come in a quiet, furtive manner; as, some errors slipped into the work. Thus one tradesman slips away, To give his partner fairer play. Prior. Thrice the flitting shadow slipped away. Dryden.
SMOKE n.
The visible exhalation, vapor, or substance that escapes, or expelled, from a burning body, especially from burning vegetable matter, as wood, coal, peat, or the like.
STEREOPTICON n.
y of a magic lantern in which photographic pictures are used, by which the image of a landscape, or any object, may be thrown upon a screen in such a manner as to seem to stand out in relief, so as to form a striking and accurate representation of the object itself; also, a pair of magic lanterns for producing the effe…