Incomplete combustion and heat losses from the firebox, boiler, cylinders, and elsewhere dissipated most of the energy of the fuel burned.
For him, it had to be the old-style boiler, with a copper inner skin for the firebox.
The roof is arched, with the highest point over the firebox.
Painted in white letters on the firebox door was the word "hyde" — the name of the company that had manufactured the furnace — and she remembered sitting on the floor next to it with a sad, thin girl from Alabama, sharing a single contraband cigarette.
He has to feed wood into the firebox continually.
He has to shovel burning coals out of the firebox and spread them under racks of pork every fifteen or twenty minutes.
The former — the name means "quick stove" in Swahili — has a locally made ceramic firebox that sells for $3.
Eager for the occasional hot bath there, he tinkered in his university's welding room and developed an aluminum firebox that could be immersed directly into a vat of water.
Mr. Tarin, 60, would wake at dawn, light kindling and a log in the firebox, read the newspaper and go for a run.
They mix and proof doughs, roll and slash loaves, and feed wood into the firebox of a 17-ton Munoz oven, imported in pieces from France and reassembled by French masons in an old carriage house behind the cafe.
Next, Mr. Raichlen said, clean the ash catcher, scrape out the firebox with a garden trowel and spray some WD-40 on the grill vents, the wheels and any other moving parts.
