Talk:Stoneblower
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![]() | The contents of the Pneumatic Ballast Injection Machine page were merged into Stoneblower on 12 October 2014. For the contribution history and old versions of the redirected page, please see its history; for the discussion at that location, see its talk page. |
This seems to be out of date and Network Rail now has three stoneblowers in operation: https://www.networkrail.co.uk/running-the-railway/looking-after-the-railway/fleet-machines-vehicles/track-treatment/ — Preceding unsigned comment added by 81.149.45.14 (talk) 14:53, 28 August 2018 (UTC)
Time scale
[edit]When did the PBI'84 experiments take place? The fact it used a PDP-11 constrains it to between 1970 and 1997 (the latter range is very unlikely), but I suppose the "84" is a clue... Hairy Dude (talk) 06:57, 9 February 2019 (UTC)