Film softened, scraped, and then dried. Unwanted images removed from microfilm for softening base film with hot water, scraping film and drying with isopropyl alcohol. Method simple and no visible damage to film.
Removing Images From Microfilm
NASA Tech Briefs ; 8 , 1
1984-04-01
Sonstige
Keine Angabe
Englisch
Engineering Index Backfile | 1968
|Apparatus for Inspecting Microfilm
NTIS | 1969
|SAE Technical Papers | 1971
|Microfilm and Its Impact on the Technical Man
SAE Technical Papers | 1971
|Prototype microfilm storage and display Final report
NTRS | 1969
|