Complex sentence: The WVS/WRVS was a voluntary organisation, and it was Lady Reading's vision that there would be no ranks, it was perhaps the only organisation where you could find a Duchess and a Char lady working side by side.
Split into simpler sentences: The WVS/WRVS was a voluntary organisation, and it was Lady Reading's vision that there would be no ranks. It was perhaps the only organisation where you could find a Duchess and a Char lady working side by side.