Front matter
Reading edition
National Canners Association RESEARCH LABORATORY—Bulletin No. 21L. W. D. BIGELOW, Director
Tomato Products Pulp, Ketchup and Chili Sauce
BY W. D. BIGELOW and A. E. STEVENSON
WASHINGTON, D. C. AUGUST, 1923
Reading edition
National Canners Association RESEARCH LABORATORY—Bulletin No. 21L. W. D. BIGELOW, Director
Tomato Products Pulp, Ketchup and Chili Sauce
BY W. D. BIGELOW and A. E. STEVENSON
WASHINGTON, D. C. AUGUST, 1923