The Amateur saw.
This scroll-saw is smaller than the #7 saw, about 3/4 size, and was the first attempt to make scroll-saws for the amateur market.
This was a total failure from the beggining, the design failure was , No fixing provision to floor which coused the machine to move away from the operater sitting on a separate chair.
Produced from 1874 till 1876, then replace with the # 1 scroll-saw.

Source; Charles Churchill 1876 catalogue.