Ricin immunogenic in mice, rabbits, and humans. It has completed two successful clinical trials. Ricin has been involved in a number of incidents. In 1978, the Bulgarian dissident Georgi Markov was assassinated by Bulgarian secret police who surreptitiously shot him on a London street with a modified umbrella using compressed gas to fire a tiny pellet contaminated with ricin into his leg. He died in a hospital a few days later and his body was passed to a special poison branch of the British Ministry of Defence (MOD) that discovered the pellet during an autopsy. The prime suspects were the Bulgarian
Waterloo Covered Bridge bridge was either built or already standing at this site at that time. The present bridge was likely built in 1860, when the town paid $473.65 for construction of the "Waterloo Bridge". The low price suggests that the abutments were probably repaired rather than rebuilt. The site of the bridge at the Waterloo Falls was adjacent to a number of industrial enterprises using the water power of the river and would have been an important feature of the village; all of these businesses failed and there are now only foundational remains. Waterloo Covered Bridge The Waterloo Covered Bridge carries Newmarket