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Classics Categories

There are many possible types of classic slide rules. We present them in four significant categories:
- Historic Design
- Most Popular
- Top of the Line or Scarcest
- Specialty


What is a Classic Slide Rule?

A slide rule can be classic for many reasons.

It can be an historically important design,
classic because it is unique or was significant in the evolution of calculating methods.

It can be the most popular model of a major maker,
classic because so many people bought and used it.

It can be the top of the line or most powerful model of a maker,
classic because it represents the best of design and mass production.

It can be a specialty rule,
classic because it was designed to perform calculations in chemistry, surveying, electronics, and many other fields.

It can have long scales,
classic because it has increased accuracy.



Click HERE to view the Classic Slide Rules Collection.