Projectors - Ernemann
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Boston Light & Sound 
290 North Beacon Street
Boston, Massachusetts
02135
United States
Telephone: 617-787-3131
FAX: 617-787-4257
BL&S manufacturers and sells a picture and sound test film for 16mm projection. The BL&S test film is manufactured in accordance to SMPTE RP-82 and standards 7 and 233.
