Original sentence: Later descriptions also refer to rails 3 foot (915 mm) long and only 2 inches (51 mm) wide.The rails were 3.75 inches (96 mm) wide and 1.25 inches (32 mm) thick.These were probably 6 foot (1829 mm) long, with four projecting ears or lugs (3 inches by 3.75 inches or 76 mm x 96 mm) to enable them to be fixed to the sleepers
Edited sentence: Later descriptions also refer to rails  long and only  wide.The rails were  wide and  thick.These were probably  long, with four projecting ears or lugs () to enable them to be fixed to the sleepers