The clock of the long now : mechanical drawings and assemblies.

Long Now has compiled a record of all of the drawings made to create Prototype 1 of the 10,000 Year Clock into a new self published book. Geared towards the mechanically inclined, this book is a highly technical document of manufacturing specifications. It also includes several math notebooks and spreadsheets that Danny Hillis used to make the underlying calculations for parts of the Clock. Long Now hopes that the widespread distribution of these plans will ensure that the knowledge and work that went into building our first Clock prototype is not lost and that this will help the survival of the Clock itself and the long-term thinking it represents. The Long Now Online Store.

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The printout of the technical data (plans, blueprints) of the early 21st century first prototype for a ultralong duration slowmoving timekeeper, known as the "Long now clock". No pagination, about 10 pages of text by Hillis about the design principles, followed by 250 plus paes of drawings for all components.