HearthStone STARLET Owner's Manual page 6

Enamel (green, brown,
Almond, Navy and Black)
1
Polished gray soapstone is a natural product and will vary from
stone to stone. Various amounts of gray, charcoal, blue and green
will be evident according to the natural composition of the stone.
2
Heat-Life is a trademark of NHC (HearthStone) and is
defined as thermal capacitance or quantity of heat stored.
13"
16"
19 3/4"
27"
27"
27"
HearthStone Quality Home Heating Products Inc ®
25"
2"
HEARTHSTONE
6"
Used here, it refers not just to burn time, but also to hours
of usable heat obtained from a single load of fuel.
3
The amount and weight of wood contained per cubic foot
of firebox volume can vary from 15 to 36 lbs. per cubic
foot depending on type of wood, moisture content, packing
density and other factors. As a constant for comparison
and test purposes, we are assuming 20 lbs. of seasoned
hardwood per cubic foot of firebox volume.
27"
6
17"
13"
16"
19 3/4"
Starlet Model 8550
2"