mr. rothchild: thank you. >> i would like to know if anybody has any questions. i will do my best to answer them. on either microphone side of the auditorium. you can ask your questions. >> [indiscernible] >> hello. i'm curious if while you are building your collection if you came across any models that you are interested in adding. if so, why? my models were made up of many different collections private fromodels at auctions, and individuals that maybe had one or two models. there is really not any one particular model that i would have wanted, except, maybe an edison model. there were very few edison patent models, he had many patents, but, the reason there were not many because most of his inventions were after the model requirement. >> i am confused about the dispersion of models any patent office. someone to the smithsonian and someone out at auction. out? d all of that play mr. rothchild: the models were offered first to the smithsonian and other industrialists. 1925, that happened. in 1925, the bulk of