(Simplified practice recommendation no. 8.) [Title on cover is: Elimination of waste, simplified practice, range boilers and expansion tanks.]
Notes:
(Simplified practice recommendation no. 8.) [Title on cover is: Elimination of waste, simplified practice, range boilers and expansion tanks.] * For Sale by Superintendent of Documents. Paper, 5c.
Availability:
* For Sale by Superintendent of Documents. Paper, 5c.