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4 inch scale Ramsbottom safety valves with test rig - stock code 10752

A pair of 4 inch scale Ramsbottom safety valves complete with test rig for setting them - these came in with a Burrell SCC agricultural engine whose owner fitted pop valves as replacements, preferring the ease of setting and reliability of operation over loss of fidelity to prototype.
scale 4 inch
length/inches 7
width/inches 4
height/inches 8
weight/kg 4