Auction Catalogue: Great Central Railwayana, 20 January 2007
| Lot 62 | A Caledonian Railway Tyers Semaphore Block Instrument, incorporating block bell at top, signal post with red and white arms for Up and Down line, below a pair of plungers arranged one above the other with white and red glass knobs, an indicator to the left showing "Up Train On/Off" and a side plunger, overall 29" high, excellent condition, lacking tapper for bell and the release button at the lower right removed. |
| This lot sold for £540 |
The auction catalogue page that includes a photograph of Lot 62 is shown below:
