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National Time Computor

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rniederman's loves357 of 1370A few new "Standard Oil" items.Oertel & Co (attributed) acid cutback vase, ca. 1925
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    Posted 7 years ago

    americanst…
    (42 items)

    Available some time around 1917, this is a device that is used to determine the number of days from one date to another or to determine the date from a specified number of days from the chosen date. It is mechanical and consists of a main cylinder encased in a metal shell with a smaller dual counter mounted on the outside. It is meant for desk top use and measures in at 9.75"L x 6.75"W x 4.75"H.

    A more in-depth write-up about this item can be found at https://americanstationer.wordpress.com/2013/05/12/the-national-time-computer/ .

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