Marking porcelain and silica crucibles, etc
By: by P.A. Yoder
Contributors: United States. Bureau of Chemistry
Series: Circular / United States Department of Agriculture, Bureau of Chemistry -- no. 93; Circular (United States. Bureau of Chemistry) -- no. 93.
Publisher: U.S. Dept. of Agriculture, Bureau of Chemistry
Published: 1912
Place of publication: Washington, D.C
Language: eng
Subjects: Chemical apparatus; Marking; Porcelain; Marks
Notes: Caption title.

"Issued February 23, 1912."