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Archives: Portfolio

A portfolio type for featuring items in your portfolio.

Heroes and Barbarians

Portfolio 1

Propaganda postcards from the Great War

Numeri Mundum Regunt

Portfolio 3

Sexton’s Omnimetre

The calculation of MADness

Portfolio 5

Nuclear blast slide rules from the cold war era

Oh, no! Can Tesseract save the plane?

Portfolio 7

A rare action comic for the ultimate geek

Chairman Mao’s guidance

Portfolio 9

A politically conscious slide rule from China

Build your own airplane!

Portfolio 11

The Hoffman Airplane Calculator

The Professor’s calculator

Portfolio 13

The R. H. Smith helical slide rule

The real thing, in cross-section

Portfolio 15

How to teach what makes things tick

The Jeffers Calculator

Portfolio 17

Keeping farm animals healthy through a nutritious diet!

The Pose-Marre pen slide rule

Portfolio 19

An elegant device of mysterious origins

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