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WALTER KIDD // 1980 FILE // RECOVERED NOTEBOOK CIPHER
Walter Kidd // 1980 File

WALTER'S DESK

Three frequency notebooks. The margins contain symbols Sid dismissed as nervous doodles when he was fifteen. They are not doodles. Decode the grouped glyphs and restore Walter's warning.

FIELD COPY OPENARCHIVE RELAY DISCONNECTED
Notebook Margin // Pigpen-Style Cipher
> Margin symbols not decoded.
Open recovered decoder sheet

This decoder sheet supplies the alphabet after the first attempt. A–I use the undotted 3×3 grid, J–R repeat it with dots, and S–Z use the X-grid family.