Smoke-making device for testing the circulation in kilns.
Contributors: Forest Products Laboratory (U.S.)
Series: Technical note -- no. 127.; Technical note (Forest Products Laboratory (U.S.)) -- no. 127.
Publisher: Forest Products Laboratory, U.S. Forest Service
Published: 1921
Place of publication: Madison, Wis
Language: eng
Subjects: Kilns -- Testing -- Equipment and supplies.
Notes: Caption title.

Also issued online.