Antique Draftsman Drawing Tools Set Drafting Draughtsman in Original Box Traveling Carrying Case discount Lined with Velvet Early 1900's

This is a set of original antique drawing / drafting tools from the early 1900's. They come in their original velvet lined fitted travel case. The discount case opens when the pin at the side is pulled out and it locks back when it is pushed back in. This set is in very good working condition.