Invisible Pump
| Episode Number | 4 |
|---|---|
| Season | 2010 |
| Aired | 2010-02-08 |
| Overview | Circa 1920s ``visible'' gas pumps were designed to allow drivers to see the grade of fuel being pumped into their cars; Mike and Frank visit an opera house built in 1879 that has become home to vintage movie posters. |
| Runtime | 45 minutes |
| Absolute Number | 0 |
| Finale Type |