Candling, Egg testing

Holding an egg up to the light was one way to determine if it was newly laid as described by Hieronymus Fabricius of Aquapendente (died 1619). Candling could also show if the egg was fertilized; or black spots ment the egg was bad. New eggs floated. Glass eggs and rounded egg baskets.

Silk bolting for flour mills 1790s

By 1794 a "manufactory for making bolting silk" was started in Wilmington, Delaware by Robert Dawson. He applied for a patent (got it), and petitioned the US House of Rep to not pay duty on imported raw silk (denied).

Rumford Baking Powder recipe slide, Count Rumford taped talks and Hot Milk Cake

This recipe pull out card (recipe slide) of 1926, included 25 recipes for cakes and cookies, one being Hot Milk Cake, by Mrs. Lily H Wallace for Rumford Baking Powder. Two early Hot Milk Cake recipes are from church cookbooks c1900.

Click to enlarge and see how the ingredients are listed.
Several taped talks on Count Rumford