Embossed on shoulder: CERTO / REG. U.S PAT. Off. |
This is a bottle for CERTO pectin, which is used to make fruit into jam. You add it to your natural fruit. In Florida you could make citrus jam, sea grape, or Surinam cherry, or many others types of jam.
Certo was invented in the United States by a Robert Douglas from Scotland. He formed a company to sell it named the Certo Company. The Certo Company was bought by the Postum Corporation in February 1929: Certo was being advertised as early as 1921. Originally, it came only in bottles.
Embossed: FOR 1/2 BOTTLE / POUR TO HERE with arrows pointing to line. |
I believe the date code on the bottom of the bottle indicates 1947.
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