Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dk01.r1000.mx.aol.com (Internet Inbound) with ESMTP id B2B71380000B4; Fri, 16 Mar 2012 12:09:39 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1S8Z1t-0007LT-Af for rs_out_1@blacksheep.org; Fri, 16 Mar 2012 15:25:21 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1S8Z1s-0007LG-NF for rsgb_lf_group@blacksheep.org; Fri, 16 Mar 2012 15:25:20 +0000 Received: from cmsout02.mbox.net ([165.212.64.32]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1S8Z1r-0001tc-3o for rsgb_lf_group@blacksheep.org; Fri, 16 Mar 2012 15:25:20 +0000 Received: from cmsout02.mbox.net (co02-lo [127.0.0.1]) by cmsout02.mbox.net (Postfix) with ESMTP id 08FBD134179 for ; Fri, 16 Mar 2012 15:25:11 +0000 (GMT) X-USANET-Received: from cmsout02.mbox.net [127.0.0.1] by cmsout02.mbox.net via mtad (C8.MAIN.3.72B) with ESMTP id 151qcPPZi9856M02; Fri, 16 Mar 2012 15:25:08 -0000 X-USANET-Routed: 3 gwsout-vs Q:bmvirus Received: from cmsapps03.cms.usa.net [165.212.11.132] by cmsout02.mbox.net via smtad (C8.MAIN.3.72B) with ESMTP id XID172qcPPZi7874X02; Fri, 16 Mar 2012 15:25:08 -0000 X-USANET-Source: 165.212.11.132 IN dibene@usa.net cmsapps03.cms.usa.net X-USANET-MsgId: XID172qcPPZi7874X02 Received: from [127.0.0.1] [151.55.7.253] by cmsapps03.cms.usa.net (ESMTPSA/dibene@usa.net) via mtad (C8.MAIN.3.72B) with ESMTPSA id 064qcPPZH9472M39; Fri, 16 Mar 2012 15:25:07 -0000 X-USANET-Auth: 151.55.7.253 AUTH dibene@usa.net [127.0.0.1] Message-ID: <4F635B50.5010800@usa.net> Date: Fri, 16 Mar 2012 16:25:04 +0100 From: Alberto di Bene User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:10.0.2) Gecko/20120216 Thunderbird/10.0.2 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <4F6252C6.2030408@iup.uni-heidelberg.de> <4F6334EA.2070903@freenet.de> <243C7F28F0254C92AA2DF025C20C0C64@AGB> In-Reply-To: <243C7F28F0254C92AA2DF025C20C0C64@AGB> X-Enigmail-Version: 1.3.5 X-Antivirus: avast! (VPS 120316-0, 03/16/2012), Outbound message X-Antivirus-Status: Clean Z-USANET-MsgId: XID064qcPPZi9472X39 X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: Google maps update - Margin Of Error? Content-Type: multipart/alternative; boundary="------------060304010606080104070301" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_20_30,HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:438766944:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1db4054f6365c35abc X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. --------------060304010606080104070301 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit On 3/16/2012 1:50 PM, Graham wrote: > Yes that's a very old map making trick ... some small feature that's > fake or slight change to a real one , so can prove copyright. The same was done almost a century ago on the printed tables of logarithms.... an insignificant error on the tenth or so decimal digit of some entries, useful to spot if the book was illicitly copied.... 73 Alberto I2PHD --------------060304010606080104070301 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 3/16/2012 1:50 PM, Graham wrote: 
Yes   that's  a very  old map making  trick ... some=
 small feature that's=20
fake or  slight change to a real one , so  can  prove copyright.
The same was done almost a century ago on the printed tables of logarithms....
an insignificant error on the tenth or so decimal digit of some entries, useful to
spot if the book was illicitly copied....

73=A0 Alberto=A0 I2PHD
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