Complex sentence: Although incorporated in 1873, lack of interest on the part of the MS&LR and the GNR (the Midland's partners in the CLC), it was taken under the wing of the Sheffield and Midland Committee, with the Midland taking overall control in 1877.
Split into simpler sentences: Although incorporated in 1873, there was a lack of interest on the part of the MS&LR and the GNR (the Midland's partners in the CLC). It was therefore taken under the wing of the Sheffield and Midland Committee, with the Midland taking overall control in 1877.