2010.030.DWG.V.005--(ICRR)--Vapor Heating Corporation Generator Blower and Cabinet Assembly--1950 0104
2010.030.DWG.V.006--(ICRR)--Vapor Heating Corporation Full Size Section Through Base on OK-4740 Type Units--1949 1221
2010.030.DWG.V.007--(ICRR)--Vapor Heating Corporation Assembly Drawing for OK-4225 Steam Generator--1956 0414