Slide rules HOME page COLLECTION 10" RULES U.S.A.
Make Pickett, USA
Model N-515-T Electronic

1. In many ways this was simple rule, a simplex pattern with only 11 scales.
2. Two of the scales were however specially targeted at electronic engineers providing 1/(2px)2 and x/(2p).
3. The rule also had logarithms to base 10 and base e.
4. This rule was specially produced for the Cleveland Institute of Electronics.
5. The back of the rule had a variety of electrical and electronic formulae.

Front view
1036-pickett-n515t-01.jpg (32752 bytes)
Detail - front left
1036-pickett-n515t-02.jpg (21664 bytes)
Detail - front right
1036-pickett-n515t-03.jpg (14081 bytes)
Detail - back view
1036-pickett-n515t-04.jpg (29724 bytes)
Manufacturing date c 1965 (my guess)
Length 10"
Material Metal
Scales LG ,2p, A [B, S, T, CI, C] D, L, Ln
Cursor Plastic
Hair lines None
Documentation None
Condition Good condition.