File:thirdtracing1.jpg
{{PD-self|date=May 2008}}
Summary
{{Information
|Description= Photograph of a Third Degree tracing board dating from c.1876
|Source=self-made photo from PD work
|Date= May 2008
|Author= Jack1956
|Permission= Yes
|other_versions= No
}}
Licensing
{{PD-US-1923-abroad}}