Auction Catalogue: Great Central Railwayana, 12 July 2008
| Lot 39 | A Great Western Railway Locomotive Cab Gauge, with brass case, indicating 0-200, with a red arrow at 120ppsi. The engraved face reads "GWR, PRESSURE REQUIRED, 8 COACHES OR LESS 60, 9 COACHES OR MORE 70 TO 80". |
| This lot sold for £90 |
The auction catalogue page that includes a photograph of Lot 39 is shown below:
