Return-Path: Received: (qmail 28719 invoked from network); 11 Nov 2002 17:37:10 -0000 Received: from murphys.services.quay.plus.net (212.159.14.225) by mailstore with SMTP; 11 Nov 2002 17:37:09 -0000 Received: (qmail 25557 invoked from network); 11 Nov 2002 17:39:20 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from post.thorcom.com (193.82.116.70) by murphys.services.quay.plus.net with SMTP; 11 Nov 2002 17:39:20 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-SQ: A Received: from majordom by post.thorcom.com with local (Exim 4.10) id 18BIVw-0006sV-00 for rsgb_lf_group-outgoing@blacksheep.org; Mon, 11 Nov 2002 17:38:20 +0000 Received: from [165.212.11.2] (helo=cmsoutbound.mx.net) by post.thorcom.com with smtp (Exim 4.10) id 18BIVv-0006sM-00 for rsgb_lf_group@blacksheep.org; Mon, 11 Nov 2002 17:38:19 +0000 Received: from uadvg131.cms.usa.net (HELO localhost) (165.212.11.131) by cmsoutbound.mx.net with SMTP; 11 Nov 2002 17:38:17 -0000 Received: from usa.net [213.217.181.182] by uadvg131.cms.usa.net (ASMTP/dibene@usa.net) via mtad (C8.MAIN.1.09A) with ESMTP id 283gkkRMP0067M31; Mon, 11 Nov 2002 17:38:15 GMT Message-ID: <3DCFE99D.90301@usa.net> Date: Mon, 11 Nov 2002 18:32:13 +0100 From: "Alberto di Bene" User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.0.1) Gecko/20020823 Netscape/7.0 X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <01C28984.9AD76150.g4jnt@thersgb.net> Subject: LF: RE: An answer to Monday's puzzle Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, hits=-3.3 required=5.0tests=EMAIL_ATTRIBUTION,REFERENCES,SPAM_PHRASE_00_01, SUBJECT_FREQ,USER_AGENT,USER_AGENT_MOZILLA_UA,X_ACCEPT_LANGversion=2.42 Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Andy talbot wrote: >[...] >Congrats Hugh, you worked it out - use a thermometer, and to be really >scientific measure the temperature when shorted, and when open circuit. > > Or, maybe simpler, use a compass near the black box, to see if the needle is deviated from the magnetic field generated by the steady current of the Norton source. 73 Alberto I2PHD