Pickett N3-ES Power Log exponential full set 1960 USA

High quality slide rule by Pickett from the USA. This is the model N3 Power Log Exponential in Eye Saver yellow from the 1960’s. This standard size version  is all metal and has metal reinforced ends as well. It comes in the original flat black leather case which is faintly marked Pickett. It has the Eye-saver notice as well as 3 manuals in English. The rule and case are in very good condition with some signs of normal use and age only. The outer box is in complete and in good condition with signs of storage. It measures ca 31 cm or 12 1/4 inches long. Check the attached video on how to work your vintage man tool : slide rule operation instructions!