Carlill v Carbolic Smoke Ball Co The Pharmaceutical Society of Great Britain had been fighting an ongoing battle against quack remedies, and had wanted specifically to get carbolic acid on the poisons register since 1882. Although without sympathy for the Carbolic Smoke Ball Company itself, Simpson casts doubt on whether "Carlill" was rightly decided. "The analytical problems arose in a particularly acute form in the smoke ball case. Thus it seemed very peculiar to say that there had been any sort of agreement between Mrs. Carlill and the company, which did not even know of her existence until January 20, when her husband wrote to them
San (letter) San (letter) San (Ϻ) was an archaic letter of the Greek alphabet. Its shape was similar to modern M, or ϡ, or to a modern Greek Sigma (Σ) turned sideways, and it was used as an alternative to Sigma to denote the sound . Unlike Sigma, whose position in the alphabet is between Rho and Tau, San appeared between Pi and Qoppa in alphabetic order. In addition to denoting this separate archaic character, the name "San" was also used as an alternative name to denote the standard letter Sigma. The existence of the two competing letters Sigma and San is