sentences:  2 was named after the Earls of Derby who owned the Isle of Man before it was sold to the British monarch and is often seen in early photographs without her back cab sheet (No.1 also appears in this form on a famous photograph of opening day.No 2 Set the precedent for "Steam On The Electric" being used in construction by the Isle of Man Tramways & Electric Power Co. (there are two photographs illustrating this).