Experiments on the Spoilage of Tomato Ketchup

Issued January 9, 1909.

U. S. DEPARTMENT OF AGRICULTURE, BUREAU OF CHEMISTRY--BULLETIN No. 119. H. W. WILEY, Chief of Bureau.

EXPERIMENTS ON THE SPOILAGE OF TOMATO KETCHUP.

BY A. W. BITTING, INSPECTOR, BUREAU OF CHEMISTRY.

WASHINGTON: GOVERNMENT PRINTING OFFICE. 1909.

LETTER OF TRANSMITTAL.

U. S. Department of Agriculture, Bureau of Chemistry, _Washington,...