As promised from by last post, here are some examples of Australian billheads I found on the website Print and Printmaking Australia Asia Pacific. Based on the Australian print collection at the National Gallery of Australia there is free online access to over 22,000 images. The databases can be searched by artist, subject or print techniques such as etching, woodcut, wood-engraving, linocut, lithograph, screenprint, monotype and other print related processes such as posters and artists books. Index to online information on printmakers, print workshops, print publishers, print galleries and public and private collections.
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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