Um guys, I know it's not the best but look at the photo I posted up, it's the page from the 25pdr manual showing the correct slide rule.
A bit like the illuminating apparatus, probably out there somewhere....
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Phillip Thompson
"He who has the tiger by the tale, is often afraid to let go" - Confucius
Ford FGT No.9 (long suffering restoration project)
25 Pdr (Under Restoration)
No.27 Artillery Trailer (Under Restoration)
Bit and pieces of a 2 pdr AT (Looking for bits)
LP2a Carrier - 3" Mortar Trials (Restored)
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