sentences:  This was completed by his successor Samuel Waite Johnson, under the control of Thomas Gethin Clayton The Derby Carriage and Wagon works were built in 1876.The carriages of the time were generally less than 50 feet long but, possibly because the Midland had just taken delivery of its first Pullman car 56 feet 5 inches long, Clayton had the foresight to design the works to deal with vehicles up to 70 feet.This meant, for instance, that the traversers at the end of each shed were still in use a century later.