Abstract
MR. WILES has devised a very ingenious toy which will exhibit the day of the week corresponding to any calendar date and also Easter-day for any year.
The World's Calendar.
Invented by the Rev. J. P. Wiles. (London: G. Philip and Son.) Price 2s. net.
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The World's Calendar . Nature 75, 173 (1906). https://doi.org/10.1038/075173b0
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DOI: https://doi.org/10.1038/075173b0
