Category Archives: Negative Scanning

Before and After: 35mm Acetate Film Stripping

As we have posted previously, we have had some success treating deteriorating 35mm negatives by stripping the gelatin image layer from its acetate base. These are scans of the stripping project and experiments that we have been carrying out over the … Continue reading

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Digitizing Glass Plates for New York City Municipal Archives

  Over time the history of an institution is often captured through photographs of the people and events that helped shape it over the years. Digital technologies have made it easier to share these images and the stories they tell, … Continue reading

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Negative Deterioration Part Two: Cellulose Acetate Negative Conservation

Vinegar syndrome, or the process of  cellulose acetate deterioration, is an unavoidable issue for any collection of acetate negatives, either presently or in future decades.  Before deterioration occurs or early in the deterioration process, preventative measures can be taken to … Continue reading

Posted in Acetate Deterioration, Acetate Film Conservation, Acetate Film Restoration, Archival Digitization, Archival Film Output, Collection Services, Negative Scanning, Uncategorized | Tagged , , , , , , , , , , , , , | Leave a comment

Negative Deterioration Part One: Digitization and Preservation of Cellulose Nitrate and Cellulose Acetate Negatives

Before polyester film became readily available in the 1950’s, all flexible film negatives were made on some form of cellulose nitrate or cellulose acetate support.  Both of these film bases have deterioration issues, and in the case of nitrate negatives, … Continue reading

Posted in 35mm Duplication, Acetate Deterioration, Archival Digitization, Archival Film Output, Collection Services, Digital Imaging, Digital Negatives, Negative Scanning | Tagged , , , , , , , , , , , | Leave a comment

Edwin Hale Lincoln Exhibition

We have been delighted to be involved in the digitization and printing of images made by Berkshire photographer Edwin Hale Lincoln, to be exhibited at the Berkshire Historical Society at Herman Melville’s Arrowhead.  Lincoln moved to the Berkshires in 1893 … Continue reading

Posted in Digital Negatives, Digital Printing, Negative Scanning, Platinum Printing | Tagged , , , , , , , , , , | Leave a comment

Gottscho Acetate Negative Recovery

Approximately 800 negatives made by the architectural photographer Samuel H. Gottscho, in the collection of the Museum of the City of New York, are in the process of being conserved, rehoused, and digitized by Chicago Albumen Works.  As with other … Continue reading

Posted in Acetate Deterioration, Acetate Film Conservation, Acetate Film Restoration, Archival Digitization, Archival Film Output, Digital Imaging, Digital Negatives, Negative Scanning | Tagged , , , , , , , , , , , , , | 1 Comment

JPAC: Conservation of Acetate film

CAW is currently working on a project to conserve deteriorated acetate x-rays and flouroscope images from the Korean War.  By stripping the layer of gelatin emulsion away from the deteriorating acetate base, it is possible to flatten these badly distorted, … Continue reading

Posted in Acetate Deterioration, Acetate Film Conservation, Acetate Film Restoration, Archival Digitization, Digital Imaging, Negative Scanning | Tagged , , , , , , , , , , , , | 1 Comment