Return-Path: Received: from mtain-mh06.r1000.mx.aol.com (mtain-mh06.r1000.mx.aol.com [172.29.96.218]) by air-db02.mail.aol.com (v129.4) with ESMTP id MAILINDB024-86964d5b4cf01d7; Tue, 15 Feb 2011 23:05:04 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mh06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 78E2138000106; Tue, 15 Feb 2011 23:05:03 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PpYc7-0008VK-Ag for rs_out_1@blacksheep.org; Wed, 16 Feb 2011 04:03:39 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PpYc4-0008VB-6x for rsgb_lf_group@blacksheep.org; Wed, 16 Feb 2011 04:03:36 +0000 Received: from smtpauth17.prod.mesa1.secureserver.net ([64.202.165.29]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1PpYc1-0003a5-RG for rsgb_lf_group@blacksheep.org; Wed, 16 Feb 2011 04:03:36 +0000 Received: (qmail 9933 invoked from network); 16 Feb 2011 03:42:29 -0000 Received: from unknown (75.192.229.241) by smtpauth17.prod.mesa1.secureserver.net (64.202.165.29) with ESMTP; 16 Feb 2011 03:42:28 -0000 Message-ID: <4D5B4C77.1010804@hifidelity.com> Date: Wed, 16 Feb 2011 04:03:03 +0000 From: Steve Dove User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.11) Gecko/20101013 Thunderbird/3.1.5 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: In-Reply-To: X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: 40 years (completely OT, but...) Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none 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-sid: 3039ac1d60da4d5b4cee6685 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) My first uA709 (first real commercial op-amp, circa 1968) cost me five quid. Which was a LOT of newspapers. Unstable, noisy. And, with its unprotected output stage didn't last very long . . . 73 Steve On 2/15/2011 7:19 PM, Andy Talbot wrote: > 40 Years ago today decimal money was introduced to the UK It was half