What is the version of the following sentence with correct punctuation?

He also revived his interest in carrying out experiments and in 1905 he organised an investigation of the seiches of Loch Earn also making observations for comparison on Lochs Tay and Lubnaig
He also revived his interest in carrying out experiments and in 1905 he organised an investigation of the seiches of Loch Earn, also making observations for comparison on Lochs Tay and Lubnaig.