Realise that those integers are cast in by being present 'in relief' on the 'pattern', which was used to produce the sand mould used to produce the raw casting. Not stamped/engraved after casting.
While not a qualified metallurgist [it requires some serious surgery, to turn an Industrial Chemist into a Metallurgist ], I do have a sound working knowledge of that area of expertise.
Cheers, Gadge
"ODK Mods can explain it to you, but they can't understand it for you..."
"Crazy can be medicated, ignorance can be educated - but there is no cure for stupid..."
], I do have a sound working knowledge of that area of expertise.
