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![]() Astronomical Compendium The inner cover has the area of the hour diagram silvered and carries a pin gnomon dial for planetary hours (6 to 12 to 6) crossed by a series of parallel vertical lines (1 to 11) for what appears to be a polar dial for Babylonian hours. Above the hour diagram is a sun symbol containing an omega and the initials 'I H S' (Jesus). The body of the volume contains an horizontal dial for approximately 47? (4 to 12 to 8 reading to 15 minutes of which the cutaway dial plate is set above a compass (now missing). The back cover on the 'book' carries tables showing the planet governing each hour of the day throughout a week. The spine is decorated with schematic tulips. Anthony J. Turner |