Use the PDF version from the web. The magnification is available in Adobe up to 1600%. That makes (on my 19 inch monitor) the "C" in C153 about 16mm high! (5/8th inch). You can even take off the glasses, I imagine! Dan / WG4S / K2 #2456 ps: I got the magnified, lighted viewer for my 39th birthday, many years ago! <snip> KDSP2 has printing that is TOO small! </snip>