| Year | 2021 |
| Date | 19-Nov |
| Volume | 227 |
| Issue | 4,678 |
| Page | 701 |
| Category | Historic |
| Part | 27 |
| Title | The Stationary Steam Engine |
| Author | Ron Fitzgerald |
| Notes | The Reverberatory Furnace and the Shaft Furnace or Cupola. Takes a look at the history and development of the stationary steam engine. An eighteenth-century reverberatory furnace for re-melting iron, a shaft or cupola furnace of the first decade of the nineteenth century, Pyne's Microcosm - a shaft furnace for casting iron cannon balls, John Wilkinson's patent number 1993 of 1794 for multiple tuyeres blowing a cupola furnace, references |