This is a COPY of the ORIGINAL.

Service Manual, instructions for servicing Necchi sewing machines
VITTORIO NECCHI a.p.a. PAVIA (Italy) - 80 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.