1800's ZIMER CYCLE BOAT -- diagram on paper -- SAILING w Patent zimer floats

Description

This is from a large collection of
drawings and notes relating to ''The patent Zimer (cycle) Boat'' including the personal notes of Frederick William Zimer, a Victorian Inventor of London regarding an anti-capsizing device for boats including typewritten narrative and over twenty-five pen and ink sketches describing sea trials and engineering solutions leading to a patent granted 1902. there was an article in Scientific American on April 1, 1893 suppliment.  i am listing the items individually as i do not have all the pages.  super cool and some of the art work is so cool.  YOU ARE CONSIDERING THE ITEM SHOWN, but others are listed on ebay.
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