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Stanley Navigational Rolling Rule w/ Protractor

Currency:USD Category:Antiques Start Price:150.00 USD Estimated At:300.00 - 500.00 USD
Stanley Navigational Rolling Rule w/ Protractor
<Our item number 103419><B>Stanley Navigational Rolling Rule with Protractor - WWI Era.</B> Brass navigational instrument marked &#34;Stanley, London.&#34; The rule&#39;s rolling motion simplified course and plotting calculations, while the unique radial arm allowed automatic compass corrections. 18&#34; long and 7&#34; high. Housed in the original mahogany box with label: &#34;W.F. Stanley & Co. Ltd., Opticians to H.M. Government, Railway Approach, London Bridge….&#34; One of the catches on the box needs a small nail replacement; otherwise, in very good condition. <BR>Estimated Value &#36;300-500. <BR><BR>Our item number 103419<BR><IMAGES><P ALIGN=CENTER"><IMG SRC="http://www.goldbergcoins.net/liveauction/38jpegs/103419.jpg"> </P></IMAGES> "