[lunar distance calculation form]

A printed form laying out the computation needed for finding the longitude by Lunar distance observations, printed both sides. One side completed in ink for an observation dated September 5th 1767

Object Details

ID: G298:1/3
Collection: Charts and maps
Type: Diagram
Display location: Not on display
Creator: Bishop, Robert
Date made: 1768
Exhibition: Ships, Clocks & Stars: The Quest for Longitude
Credit: National Maritime Museum, Greenwich, London

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