Thanks for posting that link to DPC's handbook it looks really useful.
Gemma
Gemma Sturtridge
Assistant Collections Officer
Croydon Museum Service
Community Services Department | Culture Division
Room G11, Croydon Clocktower
Katharine Street, Croydon, CR9 1ET
Tel: 020 8253 1026
www.museumofcroydon.com (Museum)
www.croydon.gov.uk/museums (Council)
-----Original Message-----
From: Museums Computer Group [mailto:[log in to unmask]] On Behalf Of Malcolm Chapman
Sent: 22 March 2011 14:27
To: [log in to unmask]
Subject: Re: Digital masters for the archive
You may want to look for adive in Neil Beagrie and Maggie Jones' Digital Preservation Handbook (now available digitally - http://www.dpconline.org/advice/preservationhandbook).
Are the images you wish to preserve actually worthy of preservation? Or is it cheaper, and maybe quicker, to go down to the stores and take a new image if you really have to?
Malcolm Chapman
Collections Management Systems Officer (Strategic Change)
The Hunterian
University of Glasgow
Gilbert Scott Building
Glasgow G12 8QQ
E-mail: [log in to unmask]
Tel: +44(0)141 330 4213
Website: www.glasgow.ac.uk/hunterian
Special events and exhibitions:
Past, Present and Future: Caring for William Hunter's Prints - extended until 21 June 2011
John Cage: Every Day is a Good Day - 19 February - 2 April 2011
The Entire Collection cared for by The Hunterian is a Recognised Collection of National Significance to Scotland.
University of Glasgow, charity number SC004401
-----Original Message-----
From: Museums Computer Group [mailto:[log in to unmask]] On Behalf Of Tehmina Goskar
Sent: 22 March 2011 13:13
To: [log in to unmask]
Subject: Digital masters for the archive
What is your opinion/received wisdom on the following?
When digitising collections do you ensure that two masters are created, one to be untouched for separate archival storage (to be checked/migrated as
required) but primarily for preservation rather than access; and another working master, for example accessed on a network drive? The working master is used for creating further surrogates for online use, file transfers, etc.
Or do you work off one master copy, e.g. an uncompressed TIFF of a photograph, and create all your surrogates from this and not bother with the separate storage of a master?
Second question: Digital preservation media, do people still use gold discs as a standard or solid state hard drives, tape or similar?
I ask having had a trawl through some of the Collections Link documents but unable to find anything specific that is based on practice (which does not mean it isn't there, I just haven't had more time to go through all the documents).
The nearest I have come to best practice type advice was old Re:source's Collections Care Benchmark document but that still talks about microfilm masters (2002).
Thanks,
Tehmina
--
Dr Tehmina Goskar, MA AMA
[log in to unmask]
http://tehmina.goskar.com/
Research Officer: ESRC Global and Local Worlds of Welsh Copper History & Classics Prifysgol Abertawe / Swansea University
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