Photo billheads tend toward the early 1900s and show an actual photo of the company. The few that I have seen on ebay show off the firm's business building. Takes away the ability for a shop to exaggerate their establishment. Not sure if these billheads were more expensive to produce or if the black and white photo was not appealing to firms who at that time wanted big bold colors.
In 1843 the first modern version of baking powder was discovered and manufactured by Alfred Bird, a British chemist. In 1846, Justus Von Liebig in Germany experiments with yeast made from sodium bicarbonate and hydrochloric acid with explosive results. In 1885, Eben Horsford and George Wilson manufacture chemicals which eventually became the Rumford Chemical Works. Horsford formulated and patented Rumford Baking Powder, the first calcium phopshate baking powder. In 1889, William Wright and chemist George Rew developed a double-action baking powder marketed under the name Calumet Baking Powder. Below find some examples of baking powder billheads.
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