By Mike Rosso Our cover photo this month is a single panel from a panoramic shot of Marshall Pass, taken between 1890-1900 by renowned photographer William Henry Jackson, a partner with the Detroit Photographic Co. The original print was 8 1/2 x 22 inches and is labeled as a Photochrom, a process for producing colorized images from black-and-white photographic negatives via the direct photographic transfer of a negative onto lithographic printing plates. The process was invented in the 1880s by Hans Jakob Schmid. According to Wikipedia, he was an employee of the Swiss company Orell Gessner Füssli, who founded the ...
