From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 2493 invoked from network); 28 Jan 2023 10:15:00 -0000 Received: from minnie.tuhs.org (50.116.15.146) by inbox.vuxu.org with ESMTPUTF8; 28 Jan 2023 10:15:00 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 20EB4424BB; Sat, 28 Jan 2023 20:14:54 +1000 (AEST) Received: from mx1.mythic-beasts.com (mx1.mythic-beasts.com [46.235.224.141]) by minnie.tuhs.org (Postfix) with ESMTPS id 10E0D42483 for ; Sat, 28 Jan 2023 20:14:50 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=quintile.net; s=mythic-beasts-k1; h=To:Subject:Date:From; bh=ND/WHlcCxobnIAbol5fnpQVNjVWQU69/0mp0NkSN6cc=; b=dB34ZDI3Vb2DeoHEVTYH+7hRjO FvDeJ99KK9yVdmMB5mySQ3zqOauQtnwn9perJ2epRG5mmrcb4YGZyEtse1czQcJjkKuKpuDr0poxB BdbQ4JquuAI+kj/qrOQPnm2W9i1uBqgp/8vExBSL4kpi9YBYJNtIYKCyweVKdBtLHuj4tv9658ndI Mm6GlQQBBdUtXHBfMifEQTlFAVNb+/qJcj75mF1goxaULa1GdoBRjNdZ9maQ9p99WlKEg31gOAArq RPa4GcaEuKPmDgB4tydnJJSCpDmKPSzB/oSt7hFckVVffN4dGhQDLRyFOqYsPLknry/pDW07tT7id zE1JdVPA==; Received: from [81.187.198.132] (port=50233 helo=smtpclient.apple) by mailhub-cam-d.mythic-beasts.com with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1pLiCM-00C2Qk-Eu for tuhs@tuhs.org; Sat, 28 Jan 2023 10:12:38 +0000 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: Steve Simon Mime-Version: 1.0 (1.0) Date: Sat, 28 Jan 2023 10:12:15 +0000 Message-Id: <6778F07B-DD74-4F04-A877-7D3751E96317@quintile.net> To: tuhs@tuhs.org X-Mailer: iPhone Mail (20C65) X-BlackCat-Spam-Score: 4 Message-ID-Hash: 54IDBQKZQPJ4FKGBEUI4RPLCTMLKJHPP X-Message-ID-Hash: 54IDBQKZQPJ4FKGBEUI4RPLCTMLKJHPP X-MailFrom: steve@quintile.net X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-tuhs.tuhs.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] reading historic magnetic tapes List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: i worked for some years on video and film archive restoration. baking old, badly stored magnetic tapes prior to reading them is a common pr= actice. my favourite was a story of a rock band (i think the stones) who wanted to p= lay an old 24 track master tape but discovered it seemed to be stuck togethe= r. there is a nasty affliction of mag tapes called sticky vinegar syndrome, so t= hey did the right thing and sent a section of tape for analysis. the results came back: the tape had suffered impregnation with =E2=80=9Cvodk= a and coke=E2=80=9D. some things never change. -Steve