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- 19026240 contributor B591709.
- 19026240 created "1919.".
- 19026240 date "1919".
- 19026240 date "1919.".
- 19026240 dateCopyrighted "1919.".
- 19026240 extent "14 p.".
- 19026240 issued "1919".
- 19026240 issued "1919.".
- 19026240 language "eng".
- 19026240 publisher "Washington, Govt. print. off.,".
- 19026240 subject "Steam-heating.".
- 19026240 subject "TN1 .U6 no. 221".
- 19026240 title "Saving steam in industrial heating systems. Reprint of Engineering bulletin no. 6 prepared by the United States Fuel administration in collaboration with the Bureau of mines.".
- 19026240 type "text".