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Archives: Portfolio

A portfolio type for featuring items in your portfolio.

Humanity’s victory over rust!

Portfolio 1

A personal history of stainless cutlery

Meet E. W. Fritchley

Portfolio 3

A human connection across time and space

Sbernadori’s aerophotographical slide rule

Portfolio 5

Serving the Royal Italian air force

The Watkins exposure meter

Portfolio 7

Light metering, 19th century style

The ingenious Ifach adder

Portfolio 9

A carry mechanism with no gears!

The weird Logarex Typ-01

Portfolio 11

A most unusual circular slide rule

The Silver Jubilee Sinclair Sovereign

Portfolio 13

The Rolls Royce of pocket calculators

Troncet’s OTHER calculator

Portfolio 15

The Totalisateur dial adder

Heroes and Barbarians

Portfolio 17

Propaganda postcards from the Great War

Numeri Mundum Regunt

Portfolio 19

Sexton’s Omnimetre

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