In the 1951 issue of 6MT15 Vocab, there are two Oddy pumps listed, first one is Pump, High Pressure, Grease TT/H9491 as issued to Amphibian tracked, Neptune.
Then there is another with same manufacturers type number of TT/H9491, but listed as 'modified', the notable difference is in one of the demandable components, Pipe, Articulated Assy. This would be a good description of the folding pipe.
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