Frances,
 
The National Gallery in London have done a lot of work with image storage
om Macs - their Micro Gallery must be one of the best examples around.
 
Museums and Interactive Multimedia (Proceedings of the Second International
Conference on Hypermedia and Interactivity in Museums, ICHIM '93) available
from Archives and Museum Informatics, 5501 Walnut Street, Suite  203,
Pittsburgh, PA 15232 - 2311 has a number of examples.
 
Also try the ITEM publication - cited on this list a little while ago.
 
Ben Booth  The Science Museum, Exhibition Rd., London SW7 2DD [log in to unmask]