Note 11 — Chapter VII · THE GREAT SIEGE.

: "The shot were heated either in the grates and furnaces made for that purpose, or by piling them in a corner of some old house adjoining the batteries, and surrounding them with faggots, pieces of timber, and small coal." Afterwards "the engineers erected kilns (similar to those used in burning lime, but smaller) in various parts of the garrison. They were large enough to heat upwards of one hundred balls in an hour and a quarter."—Drinkwater.