Complex sentence: Tarbolton was designer of the Pitlochry Power station which bears some striking similarities to the Galloway turbine halls, whilst no direct credit for the design work can be given to him it is unlikely that he had no influence on the outcome.
Split into simpler sentences: Tarbolton was designer of the Pitlochry power station which bears some striking similarities to the Galloway turbine halls. Whilst no direct credit for the design work can be given to him, it is unlikely that he had no influence on the outcome.