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Archives: Portfolio

A portfolio type for featuring items in your portfolio.

The Correntator slide adder

Portfolio 1

A simple adder with a neat trick

Not a Toy!…

Portfolio 3

The Kes-Add pocket adder

An Aluminum CPU

Portfolio 5

A classic air navigation computer

Magnetic core memory

Portfolio 7

Ahhh, the memories…

The Why and How of HOC collecting

Portfolio 9

Computer History as a hobby

Prey to Oblivion

Portfolio 11

Everyday things that no one would recognize today

A visiting card

Portfolio 13

A tiny memento from the past

Ingenious simplicity

Portfolio 15

Everyday objects of elegant design

A virtual Cabinet of Curiosities

Portfolio 17

Interesting, or curious, or just lovely

A stroke of serendipity

Portfolio 19

Gravet Lenoir Soho slide rule

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