<p>Preserved CO / CP / COP stock at what was nowadays is the Buckinghamshire Railway Centre, located at the former  Quainton Road station on the Metropolitan and Great Central Railways joint line.
</p><p>In all there are 10 images - two are scans which date from April 1983 and the rest are digital images from 2018.
</p><p>The three preserved subsurface London Transport cars are:
</p><p>CO A End Driving Motor No. 53028
</p><p>CP D End Driving Motor No. 54233 (seen in 2018 with a green tarpaulin over its trailing end with single leaf sliding doors) 
</p>
COP Trailer No. 013063
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