On behalf of a museum client, I am trying to locate a brand of PAR38 medium screw base light bulbs that have the following characteristics.  Please feel free to contact me off-list at the email address below.  Thank you for any help you can provide.

Color temperature: 5000K - 6500K, preferably in the range 5500K - 6000K

CRI: 94 or higher

Wattage: selection of 4 or 5 different ones from 15 watts to 100 watts

Beam spread: selection of 4 or 5 different ones from narrow spot (10 degrees or so) to wide flood (60 degrees or so)


I am hoping we can work with their existing fixtures that use PAR38 bulbs.  However, if this is not possible, their existing track is Lightolier single circuit with parallel contact points (not staggered) with a ridge in the track to provide correct polarity alignment.  Do you know a source of supply for inexpensive ($50 or less) 12 volt MR16 fixtures (each containing its own transformer) that will fit this track?  Again, many thanks!


Marc

American Conservation Consortium, Ltd.
     4 Rockville Road
     Broad Brook, CT 06016
     www.conservator.com 
     860-386-6058 

*Collections Preservation Consultation
*Conservation Assessments & Surveys
*Environmental Monitoring & Low-Tech Control
*Moisture Management Solutions
*Collections in Historic Structures
*Collections Care Grant Preparation
*Conservation Treatment of:
     Furniture
     Painted Wood
     Horse-Drawn Vehicles
     Architectural Interiors 
     Decorative Objects & Folk Art


Marc A. Williams, President
     MS in Art Conservation, Winterthur Museum Program
     Former Chief Wooden Object Conservator, Smithsonian Institution
     Fellow, American Institute for Conservation (AIC)


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