Note 15 — TRANSACTIONS (continued 2)
Reading edition
“The Smokeless Combustion of Coal,” by D. T. Randall and H. W. Weeks, Bulletin No. 373, U. S. Geological Survey, 1909.
Reading edition
“The Smokeless Combustion of Coal,” by D. T. Randall and H. W. Weeks, Bulletin No. 373, U. S. Geological Survey, 1909.