Recorded between 5 and 7 April 1996, this episode sees the team try to discover what remains of Matthew Boulton's Soho Manufactory, an important factory and home to the world's first steam-powered mint, during the Industrial Revolution. They are joined by industrial archaeologist George Demidowicz.
| Title | Steam-Powered Mint - Soho, Birmingham |
|---|---|
| Genres | Documentary Mystery |
| Release Date | 1997-01-19 |
| Episode Runtime | 00 Hours 50 Minutes |
| Season Number | 4 |
| Episode Number | 3 |
| Production Companies | Unknown |
