Astrolabe

Astrolabe – Used by Benedict Fairfax in the Secrets of The Chocolate House and The Garden of Promises and Lies to time travel. Most commonly made of brass but the better preserved surviving examples are made from iron or copper. The details within tend to be made from either silver or gold, making these quite valuable.

Origins – a circular device used from ancient times until about the 18th century for measuring the position of stars, and on ships for calculating the ship’s position.

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