Online Museum Course: Care of Photographs

Instructor: Gawain Weaver
Cost: $475
Course Dates: April 4 - June 3, 2011 (8 week course)

Photographic materials cover a diverse range, everything from the daguerreotypes and wet plate negatives of the 19th century to the gelatin silver, chromogenic and inkjet prints of the 20th and now 21st century. Care of Photographs offers a broad introduction to the history, technology, identification, and care of these and other photographic materials. Topics include environmental monitoring, the effects of temperature and relative humidity, and the importance of cold storage for certain photographic materials. It is intended to help those caring for photographic materials to gain a better understanding of their collections and how to care for them.
Each student will need to purchase two sample sets of photographs at a discounted rate of $25. You can order them from the instructor's web site, select the "For NSCC students" set.

Sample Set 1 (6)

  • Albumen
  • Collodion POP Printed out paper
  • Gelatin POP
  • Matte Collodion
  • Gelatin Silver Print, fiber-base
  • Silver Gelatin Prints, RC

Sample Set 2 (11)

  • Letterpress
  • Offset Lithography
  • Photogravure
  • Rotogravure
  • Collotype
  • Chromogenic Color (RC)
  • Chromogenic Color (Fiber)
  • Inkjet_Dye_RC_Swellable
  • Inkjet_Pigment_RC_Microporous
  • Dye Sublimation
  • Electrophotographic

Course Outline:

  1. History and Technology of Photography: Intro and 19th century negatives
  2. History and Technology of Photography: Silver-based black and white processes
  3. Identification of Photographs, Part 1
  4. History and Technology of Photography: Non-silver processes
  5. History and Technology of Photography: Photomechanical processes
  6. History and Technology of Photography: Color and inkjet
  7. Identification of Photographs, Part 2
  8. Deterioration
  9. Care of Photographs
  10. The Preservation Environment

Participants in Care of Photographs work through sections on their own. Instructor Gawain Weaver is available for scheduled email support. Materials and resources include online literature, slide lectures and dialog between students and online chats led by the instructor. The course is limited to 20 participants.
Care of Photographs runs for eight weeks. To reserve a spot in the course, please pay at If you have trouble please contact Helen Alten at

About the Instructor:
Gawain Weaver teaches international workshops on photograph conservation and preservation. He earned his master's degree in art history and conservation from New York University's Institute of Fine Arts and was a fellow at the George Eastman House and Image Permanence Institute for two years. His interest in photograph conservation included studying at Library and Archives Canada, the Amon Carter Museum, the Museum of Modern Art, and the Northeast Document Conservation Center. For more information visit his web site Conservation and Consulting Services in the Care of Historic and Fine Art Photographs.

Mon, 04/04/2011 (All day)