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<p>[QUOTE=&quot;SeaGoat, post: 255935, member: 1136&quot;]This website says pinning down the origin of a piece will help date it when it comes to early&nbsp; circular saw cuts</p><p><br /></p><p>&quot;A better approach in understsanding the age-significants of circular saw cut marks on timbers is to try to pin down when circular saws were in use in a specific area.</p><p>..</p><p>In North America mechanized equipment use generally moved from the east coast westward. Earliest use of circular saws is likely to appear on the eastern seaboard, probably in New England, as early as 1800 (Matchell 1813, Rees 1819) but in my OPINION more commonly throughout the eastern U.S. after about 1830.</p><p>..</p><p>I look at the area where timbers were probably cut and the distance from that area to the nearest larger city to infer that saw cuts would have been by a portable machine used in building or in very small saw mill operations versus larger sawmills that would have moved to mechanized and faster circular saw cutting methods.</p><p><br /></p><p>Our patent research on circular saws in the U.S. found circular saw sophistications being patented by Wisconsin inventor as early as 1877 that tells us that they were in use before that time and that circular saws were in use through the U.S. at least as far as the mid-west and probably further west.</p><p><br /></p><p>Early stationary sawmills were most likely found in New England in the very late 1700&#039;s where they could be located by streams providing water power for mills. &quot;</p><p><a href="http://inspectapedia.com/structure/Lumber_Cutting_Methods.php" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://inspectapedia.com/structure/Lumber_Cutting_Methods.php" rel="nofollow">http://inspectapedia.com/structure/Lumber_Cutting_Methods.php</a>[/QUOTE]</p><p><br /></p>

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