'A Description of several Inventions presented Jan 5 1730 to the Royal Society at London, by Isaac de la Chaumette, Member of the Royal Academy of Sciences at Bourdeaux [Bordeaux]' Inventions mentioned are: - oars that have the same effect as geese feet to row without bringing them out of the water - method of setting artifical teeth - plates with hinges to fix to the chimney to stop winds and allow smoke to go out - a fixed cape to attach to a chimney - a mehtod to point a canon without moving the carriage - a way to stop horses which hold the bit between their teeth - candlestick with a spring which allows the candle to ascend gradually Read to the Royal Society on 12 February 1729 1729