Thermal Method for Destruction of Microfilm Products.
Patent, Filed 10 Jun 80, patented 20 Oct 87,
DEPARTMENT OF THE AIR FORCE WASHINGTON DC
Pagination or Media Count:
A method for the pyrolytic destruction of microfilm products by utilizing hot silicone oil heated to a temperature of about 250 C. Destruction of the various types of microfilm is accomplished within a five minute time frame.