Letter dated August 18, 1933, from Foodstuff division, to U.S. Department of Agriculture, Bureau of Dairy Industry, sending three cans of Chinese condensed milk, and providing figures on daily milk production by one Chinese manufacturer - Pe-Heng Company and its two main brands, Pe Ling and Ko Chiu - and size of cans - and requesting the US Department of Agriculture's opinion on their quality - 1p
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