sentences:  Locomotives 1 to 3 had 320 gallon water tanks, round cab spectacle plates, and "C" shape feed pipes; 4 to 6 were built with 385 gallon tanks, square cab spectacle plates, and "C" shape feed pipes; and 7 and 14 with 385 gallon tanks, square spectacle plates, and "S" shape feed pipes.8 and 9 were supplied with 160 psi boilers, but were otherwise largely identical to 7 and 14.The four locomotives that constitute the "medium" series are Nos.