Chemical Corps affiliation with the corps. The Chemical Corps branch insignia consists of a cobalt blue, enamel benzene ring superimposed over two crossed gold retorts. The branch insignia, which was adopted in 1918 by the fledgling Chemical Service, measures .5 inches in height by 1.81 inches in width. Crossed shells with a dragon head was also commonly used in France for the Chemical service. The Chemical Warfare Service approved the insignia in 1921 and in 1924 the ring adopted the cobalt blue enamel. When the Chemical Warfare Service changed designations to the Chemical Corps in 1946 the symbol was retained. The regimental
Pot-au-feu lord's land. For people living in towns, it was easier to buy inexpensive pieces of meat, which needed long cooking times. The method of cooking all food together and for extended periods of time (the whole day sometimes) gave what was called a ""pot-pourri"" in French and imported into English in the early 17th century. The relation between "pot-pourri" and "pot-au-feu" was attested in 1829 in the "Etymologic dictionary of the French language: ""Pot pourri. The name our fathers gave to the "pot-au-feu""". The cuts of beef and the vegetables involved vary, but a typical "pot-au-feu" contains: Cooking cartilaginous meat