Show lois consist 2 inch red disk swung pendulum fashion right angles highway feet feet teet speed twenty fifty per minute center disk ruby lens five five give diameter below lens word stop white glass incandescent within disk am approach train thus illuminate ruby lens bud word top top stop FLAGMAN ALWAYS DUTY automatic device BB alert order shown automatic railroad being quite electric rail roads pacific coast southwest few east device american safety congress con invention angeles trainman device wi signal coed ball ball bell ball bell bail ring function operate case part become affect rest popular city |