Complex sentence: She was laid down by J & G Thomson at Clydebank and completed by John Brown & Co. who took over the yard, ran 9 trials between 11th March 1901 and 27th May but only succeeded in reaching 30.5 knots (56 km/h).
Split into simpler sentences: She was laid down by J & G Thomson at Clydebank and completed by John Brown & Company who took over the yard. She ran 9 trials between 11 March and 27 May 1901, but only succeeded in reaching 30.5 knots (56 km/h).