Assertion: baking powder | /r/AtLocation | america
Facets:
value: by eben horsford
type: OTHER
value: commercially
type: MANNER
Source sentences:
text: These included potash (Pearlash) , Saleratus (potassium or sodium bicarbonate), and baking powder (first made commercially in America by Eben Horsford in 1856, under the trade names "Horsford's Yeast Powder", then "Rumford's Baking Powder.