A, The ash hole.

B, One of the ash hole's sliding doors.

B, The other of the ash hole's sliding doors.

C, The fire-place.

D, One of the fire-place's sliding doors.

D, The other of the fire-place's sliding doors.

E, A small aperture in the slider.

F, A small aperture in the slider.

G, A hole for a bar to bear the muffles.

G, Another hole for a bar to bear the muffles.

H, An iron brace in the fore-part of the furnace, which forms grooves for the doors of the ash hole to slide in.

H, An iron brace in the fore-part of the furnace, which forms grooves for the doors of the fire-place to slide in.

H, An iron brace in the fore-part of the furnace, which forms grooves for the doors of the fire-place and ash hole to slide in.

I, The upper pyramidal part of the furnace.

K, An aperture in the upper pyramidal part of the furnace for managing the coals.

L, The opening at the top of the upper pyramidal part of the furnace.

M, The pyramidal cover.

N, The chimney, or end of the shaft, on which the conical funnel may be fitted.

O, A handle for moving the sliding door.

O, A handle for moving the sliding door.

O, A handle for moving the sliding door.

O, A handle for moving the sliding door.

P, An ear of the pyramidal cover.

P, An ear of the pyramidal cover.