Astronomical and navigational instruments

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World time zone calculator

Astronomical and navigational instruments

Object connections:

Collection Astronomical and navigational instruments
User collections Collectables (All) by blueheatwave
Collections (Europe) by blueheatwave
Gallery locationROG (Floor plans)
PeopleProvenance: Time Museum

Object details:

Object ID AST0700
Description calculator, world time zone. Universal time finder with circular wooden base and a bevel glass cover. This time finder tells the time differences around the world based on the Paris Meridian. Three cardboard scales. The outer scale has a list of places around the world. The scale in the middle of the dial is the hour scale, marked 1 - 12 in Roman numerals on a blue background. The middle dial has a further list of places around the world. On the underside of the instrument are instructions in French on how to use it.
Date made 19th century

Artist/Maker Pascal, C
Place made France
Credit National Maritime Museum, Greenwich, London
Materials glass; wood
Measurements Overall: 116 x 116 x 30 x 114 mm
  • World time zone calculator (AST0700)
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