This is a COPY of the original.

Singer 221-1 instruction manual plus Parts List and Diagram. This is a 48-page early edition of the manual,  Singer form number 18740.

Our manuals are printed copies, sized 8 1/2 × 11 inches and bound with a clear plastic front cover, a plastic comb spine so that they can lie flat when opened, and a cardstock back cover. 
Most are enlarged from the originals.