#analogue computing

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A brass tide-predicting machine on a varnished bench, a steel wire running over a row of graded pulleys to a hanging counterweight, its pen arm caught mid-stroke laying a tide curve onto the turning paper drum

The Machine Before Electronics

Tide predictors, differential analysers, nomograms and fire-control computers were not curiosities on the way to the transistor. They were a working tradition with its own theory of what a number is.

By Brecht Corbeel · August 9, 2026 · 20 min read

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