Re: Horatio Hornblower | Horatio Hornblower | OTA
"Yes," she said. "I'm afraid I don't know much about how exactly steam engines work. I think that coal is burned in furnaces, which heats water to create steam which is then used to drive the engine. Or something," she added, with an apologetic shrug and slight laugh.
"I could be wrong. I've only ever been on passenger liners, and even then it was several years ago."