Harvard Forest

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Films and Filters for Forest Aerial Photography

• HF-ID: HF1948-25
• Category: Research Files
• Creator: Spurr, S.H.
• Date: 1944 to 1948
• Location: Harvard Forest, New Hampshire, Petersham MA
• Media: Mixed media
• Contents:
  • Photographs, negatives, notes, reprint.
  • NOTE: During the 2017 Archive Renovations mice damaged a few of the photographs and some of the paper notes were written on. No DATA WAS LOST. The damaged areas were trimmed. 1 accordion folder. Various.

• Keywords: aerial photography, mapping
• Abstract:
  • The use of various films and filters for aerial photography to be used for forestry purposes.
  • Folder 1. Notes on Slab City, Prospect Hill, Cathedral Ledge, and Cannon Mountain about the various films and filters used and the weather conditions.
  • Folder 2. Roll 1. Medalist - Ansco Color. August 11, 1948. Brownfield burn, Echo Lake and Cathedral Ledge. Negatives.
  • Folder 3. Roll 1A. Medalist - Filter Tests. July 29, 1948. SC VIII (Choate Ledge). Super XX Panchromatic Film. Negatives.
  • Folder 4. Roll 2. Medalist - Verichrome Film. August 11, 1948. Cathedral Ledge. Yellow Filters. Photographs and negatives.
  • Folder 5. Roll 2A. Medalist - Filter Tests. Slab City VIII (Choate Ledge). July 29, 1948. Verichrome Film. Negatives.
  • Folder 6. Roll 3. Medalist - Verichrome Film, Green Filters. August 11, 1948. Cathedral Ledge. Photographs and negatives.
  • Folder 7. Roll 4. Medalist - Verichrome Film, Polaroid Filters (Maximum and minimum darkening). August 11, 1948. Cathedral Ledge.
  • Photographs and negatives.
  • Folder 8. Roll 4A. Ansco Color. July 29, 1948 Slab City VIII (Choate Ledge). Negatives.
  • Folder 9. Roll 5. Medalist - Kodak Infrared Film - Polaroid, yellow and green filters. August 11, 1948, Cathedral Ledge. Photographs and negatives.
  • Folder 10. Roll 6. Medalist - Super XX Panchromatic Film - No filter and red filter. August 11, 1948. Cathedral Ledge. Photographs and negatives.
  • Folder 11. Roll 7. Medalist - Super XX Panchromatic - yellow filters. August 11, 1948. Cathedral Ledge. Photographs and negatives.
  • Folder 12. Roll 8. Medalist - Super XX Panchromatic - green filters. August 11, 1948. Cathedral Ledge. Photographs and negatives.
  • Folder 13. Roll 9. Medalist - Super XX Panchromatic - Polaroid and green filters. August 11, 1948. Cathedral Ledge. Photographs and negatives.
  • Folder 14. Roll 10 and 16. Medalist - Ansco Supreme Film - G Filter. August 11, 1948. Random shots from Cannon Mountain and Cathedral Ledge. Photographs and negatives.
  • Folder 15. Roll 11. Medalist - Super XX Panchromatic Film - Green filters. August 11, 1948. Cannon Mountain. Photographs and negatives.
  • Folder 16. Roll 12. Medalist - Kodak Infrared Film - Polaroid, yellow and green filters. August 11, 1948. Cannon Mountain. Photographs and negatives.
  • Folder 17. Roll 13. Medalist - Ansco Color - No filter, Polaroid filters and yellow filter. August 11, 1948. Cannon Mountain. Negatives.
  • Folder 18. Roll 14. Medalist - Super XX Panchromatic - Yellow, Polaroid, and red filters. August 11, 1948. Cannon Mountain. Photographs and negatives.
  • Folder 19. Roll 15. Medalist - Verichrome film - yellow, green and Polaroid filters. August 11, 1948. Cannon Mountain. Photographs and negatives.
  • Folder 20. Roll 19. Medalist - Super XX Panchromatic - various filters. Prospect Hill Tests. Photographs and negatives.
  • Folder 21. Roll 20. Medalist - Verichrome - various filters. Prospect Hill Tests. Photographs and negatives.
  • Folder 22. Roll 21. Medalist - Infrared - Ultraviolet and yellow filters. Prospect Hill Tests. Photographs and negatives.
  • Folder 23. Roll 22. Medalist - Infrared - Green and red filters. Prospect Hill Tests. Photographs and negatives.
  • Folder 24. Roll 23. Medalist - Infrared - Red filters - Ground shots, Yellow filters. Prospect Hill Tests. Photographs and negatives.
  • Folder 25. Ansco Color - Test exposures. Prospect Hill. August 1948. Negatives.
  • Folder 26. Figures 1, 2 and 3. No reduction in size. Photographs and negatives.
  • Folder 27. Filter Tests - Verichrome Film. Slab City VIII (Choate Ledge). July 29, 1948. Photographs.
  • Folder 28. Filter Tests - Super XX Panchromatic Film. Slab City VIII (Choate Ledge). July 29, 1948. Photographs.
  • Folder 29. Exp. 44-6 Polaroid Vectographs. Prospect Hill. Photographs.
  • Folder 30. Exp. 44-6 Polaroid Vectographs. Tom Swamp. Photographs.
  • Folder 31. Stereoscopic Pairs - Infrared 25A B-6 and B-7. Harvard Forest 1944 1:12,000.
  • Folder 32. Stereoscopic Pairs - Infrared 25A B-5 and B-6. Harvard Forest 1944 1:12, 000.
  • Folder 33. Stereoscopic Pairs - Infrared 25A B-1 and B-2. Harvard Forest 1944 1:12,000.
  • Folder 34. Stereoscopic Pairs - Infrared 25A B-4 and B-5. Harvard Forest
  • 1944 1:12,000.
  • Folder 35. Reprint "Films and Filters for Forest Aerial Photography" September 1949.

• Related Items:
  • Films and Filters for Forest Aerial Photography

• Archives Location: Middle Room, stack 4, drawer 4
• Access: Active