A Dictionary of Arts, Manufactures and Mines / containing a clear exposition of their principles and practice

by Andrew Ure

[Fig. 63.] is a representation of the sliding-door of the mouth-plate, as shewn at d, in [fig. 58.]

[Fig. 64.], a front view of the mouth-plate or piece, d, [fig. 58.]

[Fig. 65.], a representation of the mode of making, or shutting up with pieces of charcoal, the mouth of the furnace.

[Fig. 66.], the teaser for cleaning the grate.