Descriptions for 1850 pocket knives include dimensions, model names, numbers and values on today’s markets. Manufacturer’s clear b/w catalog images from 1890 to 1970 are organized by makers for ease in finding them.[AuthorName][/AuthorName][AuthorBio][/AuthorBio][NumIllustration]1850 b/w drawings[/NumIllustration][CoAuthor][/CoAuthor][SubTitle]1890 – 1970[/SubTitle][ColorPattern]1850 b/w drawings[/ColorPattern]