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Pickett N901-ES Simplex Math Rule - Notes
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- This rule was designed to teach Simple Elementary School math. The accompanying manual was part of a program of lessons.
- The X & Y scales were used for addition and subtraction.
- The C* and D* scales were used for scientific notation.
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Details
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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 |
 |
| Accessories |
- Vinyl slip case.
- Original box
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