How to Make Photographs and Descriptive Price List, The Scovill & Adams Co. (New York, NY), distributed by Oscar Foss, Photographic Apparatus and Supplies, 841 Mission St., San Francisco, CA, dated June 1890, ~5⅞"x9 ½", 136pp (with order blank)
This is one in a series of catalogs printed by Scovill, Scovill & Adams and others, the insides of which were the same nation-wide, but covers specific to a distributor were printed and glued on later. Oscar Foss also put their name on a Blair Camera Co. catalog for 1890.