Here are 2 TPQs Not much help but nice to know.
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> Calumet Baking Powder (embossed on a round tin lid)
Introduced 1889. Trager:1995:331
> Lea & Perrins Worcester sauce
Worcester sauce introduced in 1837. Trager:1995:226
Trager, James
1995 The Food Chronology, Henry Holt and Co., NY.
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