Library Company of Philadelphia
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Welcome to the Library Company of Philadelphia's Tumblr page! Founded by Ben Franklin in 1731, we are an independent research library specializing in American history and culture from the 17th through the 19th centuries. This page highlights materials from LCP's extensive collection of rare books, manuscripts, broadsides, ephemera, prints, photographs, and works of art.
We found an illustrated mechanical calendar for #ThrowbackThursday, containing four genre scenes representing “Spring,” “Summer,” “Autumn,” and “Winter.” The mechanics work by turning the various knobs that run through the center of the calendar. The top knob controls the day of the week, the middle knob controls the date of the month, and the bottom knob controls the name of the month.