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Indlæser... The Calendaraf Irving Adler
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Bliv medlem af LibraryThing for at finde ud af, om du vil kunne lide denne bog. Der er ingen diskussionstråde på Snak om denne bog. Another entry in "The Reason Why" series. This one is actually more fun than "Heat and its Uses" --- it has instructions for making a perpetual calendar, good through 1999, in the back. It does not go into any explanations of why the calendar works, but it does include a few calendar exercises. Quite ingenious, and well done with limited resources. ( ) ingen anmeldelser | tilføj en anmeldelse
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