Complex sentence: This had an adverse affect on the revenues of the Clarence, the Exchequer Loan Commissioners taking possession of the railway that September, to sell it by public auction, although the debt was paid by raised by issuing and selling more shares.
Split into simpler sentences: This had an adverse affect on the revenues of the Clarence and the Exchequer Loan Commissioners took possession of the railway that September. It was to be sold by public auction, but the debt was paid by raised by issuing and selling more shares.