Complex sentence: The'Clan' Class was designed for the Perth to Inverness route, 4-6-0 tender locomotives with superheaters and six wheel tenders and eight were built by Hawthorn, Leslie & Co, four in 1919 and four in 1921.
Split into simpler sentences: The'Clan' Class was designed for the Perth to Inverness route, 4-6-0 tender locomotives with superheaters and six wheel tenders. Eight were built by Hawthorn, Leslie & Co, four in 1919 and four in 1921.