This is a Vintage Railroad Lantern made by  for the CANADIAN PACIFIC RAILWAY CPR. This 1956 lantern is marked ADLAKE KERO 4-51 PATENTED USA CANADA CPR HIRAM L.PIPER CO. LTD. The clear glass globe is embossed ADLAKE KERO Cnx MADE IN USA C.P.R. and no cracks or chips or repairs.  The lantern has not been tested but seems to be in quite good condition for age, could use a good cleaning and has a nice wood handle. Nice collectible piece!