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Archives: Portfolio

A portfolio type for featuring items in your portfolio.

The weird Logarex Typ-01

Portfolio 1

A most unusual circular slide rule

The Silver Jubilee Sinclair Sovereign

Portfolio 3

The Rolls Royce of pocket calculators

Troncet’s OTHER calculator

Portfolio 5

The Totalisateur dial adder

Heroes and Barbarians

Portfolio 7

Propaganda postcards from the Great War

Numeri Mundum Regunt

Portfolio 9

Sexton’s Omnimetre

The calculation of MADness

Portfolio 11

Nuclear blast slide rules from the cold war era

Oh, no! Can Tesseract save the plane?

Portfolio 13

A rare action comic for the ultimate geek

Chairman Mao’s guidance

Portfolio 15

A politically conscious slide rule from China

Build your own airplane!

Portfolio 17

The Hoffman Airplane Calculator

The Professor’s calculator

Portfolio 19

The R. H. Smith helical slide rule

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