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<p>[QUOTE=&quot;Ladybranch, post: 18545, member: 44&quot;]I think &quot;Insto Products&quot; is the Insto Products Company with office at 1241 High, Oakland, CA. That company was connected to or AKA Instograph, Ltd. The company is listed in several Oakland, CA, City Directories of the 1920s. The president was G.H. Derrick. There are several patents listing this G.H. Derrick as the inventor. Some of the patents seem to be dealing with electronics like electric switches with the patents saying the original assignee Instograph, Ltd of Oakland. I found that the Port Commissioners of Oakland purchased a Instograph Recording Machine in 1931. I&#039;m not surprised that Insto was electronic connected because the symbol of the lightening bolt across their name on the dial is used by many electric related entities. Didn&#039;t Con Ed once have a lightening bolt character as a trademark or was that the Reddy Kilowatt character??</p><p><br /></p><p>One of the patents:</p><p><a href="https://www.google.com/search?tbo=p&amp;tbm=pts&amp;hl=en&amp;q=inassignee:%22Instograph+Ltd%22&amp;gws_rd=ssl" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.google.com/search?tbo=p&amp;tbm=pts&amp;hl=en&amp;q=inassignee:%22Instograph+Ltd%22&amp;gws_rd=ssl" rel="nofollow">https://www.google.com/search?tbo=p&amp;tbm=pts&amp;hl=en&amp;q=inassignee:&quot;Instograph+Ltd&quot;&amp;gws_rd=ssl</a></p><p><br /></p><p>One of the Oakland City Directories of the 1920s showing the listing as:</p><p>&quot;Insto Products Co. G H Derrick pres mfrs agts 1241 High&quot;</p><p>Left column, 5th entry up from the bottom:</p><p><a href="http://www.sfgenealogy.com/oaklanddirectory/1928/1928_786.pdf" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.sfgenealogy.com/oaklanddirectory/1928/1928_786.pdf" rel="nofollow">http://www.sfgenealogy.com/oaklanddirectory/1928/1928_786.pdf</a></p><p><br /></p><p>1925 Oakland, .... City Directory, a good 3/4ths of the way down the page: </p><p>&quot;Insto Products Co G H Derrick pres rafrs acts 1241 Hiph&quot;</p><p><a href="http://www.ebooksread.com/authors-eng/rl-polk--co/polks-oakland-berkeley-alameda-city-directory-volume-1925-opl/page-166-polks-oakland-berkeley-alameda-city-directory-volume-1925-opl.shtml" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.ebooksread.com/authors-eng/rl-polk--co/polks-oakland-berkeley-alameda-city-directory-volume-1925-opl/page-166-polks-oakland-berkeley-alameda-city-directory-volume-1925-opl.shtml" rel="nofollow">http://www.ebooksread.com/authors-eng/rl-polk--co/polks-oakland-berkeley-alameda-city-directory-volume-1925-opl/page-166-polks-oakland-berkeley-alameda-city-directory-volume-1925-opl.shtml</a></p><p><br /></p><p>--- Susan[/QUOTE]</p><p><br /></p>

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