L. Fourt and N.R. Hollies, "The Comfort and Function of Clothing", U.S. Army Natick Laboratories, Clothing and Personal Life Support Equipment Laboratory , Technical Report 69-74-CE, Series, TS-162, June 1969 , page 46.
2.
J.L. Cooper , "Sleeping Bag Horizontal Burn Rates", Journal of Coated Fabrics, 8, 262-270, January, 1979.
3.
See Reference 1, page 192.
4.
Five ducks or three geese will yield about one pound of feathers/down [5] from which less than one and one-half ounces of good down can be recovered [9] . It takes about 130 Ibs. of feed to raise five ducks [5] . Producing 20 million pounds of down would consume 28 billion pounds of feed!
F.P. Calabrese and R.D. Wells, "Batting TypeFilling - Material for Sleeping Bags", U.S. Army Natick Research and Development Command, Natick, Mass. 01760, Technical Report TR-76-41 Cemel, February, 1976.
7.
Battings made from T-66 polyester and meeting Du Pont performance standards are expected to be used under the "Sontique" certification mark.
8.
Calculated from Technical Bulletin/AA-ITSS-1 (58.5) R1, Building Service and Cleaning Products Division, 3M Company, Saint Paul, Minnesota, 55101.
9.
Professor J.L. Skinner , University of Wisconsin, Personal Communication.