This is a COPY of the ORIGINAL.

Sierra 234F Light Weight Zig-Zag Sewing Machine. 

Instructions for the use and maintenance of your sewing machine - 31 pages

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.