Minute: 7 Second: 25

United States. Flight Standards Service. (1975). Aviation weather: for pilots and flight operations personnel. Rev. Washington: Dept. of Transportation, Federal Aviation Administration, Flight Standards Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off..
http://www.faa.gov/regulations_poli...go/document.information/documentID/22268

Chap 1 - 3 only, but also the contents:
http://www.faa.gov/documentLibrary/media/Advisory_Circular/AC%2000-6A%20Chap%201-3.pdf

Chap 13-15:
http://www.faa.gov/documentLibrary/media/Advisory_Circular/AC%2000-6A%20Chap%2013-15.pdf Condensation Trails: Page 143