my inventionconsists in a slate-frame provided with an orifice for the insertion of a pencil; also, ⁇ in a'sliding bar in combination with and at right angles to the recess or orifice in the slate-frame. It also consists in the combination with a slate-frame of a corrugated pencil-sharpening bar, all as hereinafter more fully set forth.
Arepresents the slate, with the frame B made in anyrof the known and usual ways.
One side of the frameBis bored out, as shown in Fig. 1, so as to form a convenient receptacle a, in which the pencil may be kept.
the upper end of this receptaclemay be covered by a sliding bar,- b, which is dovetailed into the frame at right angles to the receptacle or orifice a.
the upper side of the sliding bar bis corrugated or otherwise made uneven, so that it can be used to sharpen the pencil upon.
