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Archives: Portfolio

A portfolio type for featuring items in your portfolio.

Steward’s M.T. Slide rule

Portfolio 1

Thoroughly confusing!

The Bassett Adder

Portfolio 3

Compact, lightweight, and a pleasure to use

Vizzini’s Calculating Table

Portfolio 5

A minimalist calculator from Italy

A cheater’s slide rule

Portfolio 7

A relic of past dishonesty

Mario Loffredo’s elastic calculating scale

Portfolio 9

A lost precursor of the Gerber Variable Scale

Other worlds than ours

Portfolio 11

A 19th century take on Exobiology

Shrinking Megabytes

Portfolio 13

Evolution of the Hard Disk

The Sliding Gunter

Portfolio 15

A fascinating transitional device

Stephenson’s little adder

Portfolio 17

Agents wanted!

Alpina or Curta?

Portfolio 19

Battle of the handheld calculators

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