Tomato ketchup under the microscope
Subtitle: with practical suggestions to insure a cleanly product
By: By B.J. Howard ...
Series: United States. Dept. of Agriculture. Bureau of Chemistry. Circular -- no. 68; Circular (United States. Bureau of Chemistry) -- no. 68.
Publisher: Govt. Print. Off.]
Published: 1911
Place of publication: [Washington
Language: eng; ita
Number of pages: 14
Subjects: Ketchup