Sonderjourneys

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Sonderblessings

God Heals Hurting Marriages

Squeetus

Saints and Spinners

Brotherhood 2.0

Book Buds Kidlit Reviews

A Chair, A Fireplace & A Tea Cozy

NeverEndingSearch

Unshelved

xkcd

Thursday, February 17, 2005


This calculating machine is based on Napier's rods. It was fun to figure it out and fun to work it. Posted by Hello

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