Cunynghame, H. H. Time and Clocks: A Description of Ancient and Modern Methods of Measuring Time.
Dyfyniad Arddull ChicagoCunynghame, Henry H. Time and Clocks: A Description of Ancient and Modern Methods of Measuring Time.
Dyfyniad MLACunynghame, Henry H. Time and Clocks: A Description of Ancient and Modern Methods of Measuring Time.
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