Northern Cardinal mb-copyright Peter Carroll/All Canada Photos/Corbis Chart of colours based upon

Description

Chart of colours based upon Benson's 'cube of colours': sections at right angles with the tertiary axis of white

Horse and Dolphin Yard

The observatory's 60 foot refracting telescope is visible

24th December 1940

Northern Cardinal mb-copyright Peter Carroll/All Canada Photos/Corbis Chart of colours based upon

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