Pickett N901-ES Simplex Math Rule Greg's Slide Rules
Front Left

Front Right

Back Left

Back Right

Pickett N901-ES Simplex Math Rule - Notes

  1. This rule was designed to teach Simple Elementary School math. The accompanying manual was part of a program of lessons.
  2. The X & Y scales were used for addition and subtraction.
  3. The C* and D* scales were used for scientific notation.


Further details about this Slide Rule:

Brand Pickett
Model N901-ES Simplex Math Rule
Country of Manufacture USA
Scales Front A [B, CI, C] D, L
Scales Back X [Y, C*] D*
Number of Scales 10
Slide Rule Materials Aluminium
Cursor Materials Nylon/Plastic with metal screws
Cursor Lines 1 Front, 1 Rear
Scale Length 25 cm
Length 30.7 cm
Width 3.1 cm
Condition Good
Documentation Pickett - Elementary Simplex Math Slide Rule
  1. Vinyl slip case.
  2. Original box

Last updated: 2002-09-14 22:00 AEST
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