A small but very early mahogany boxed fitted drawing instrument set with its original working key. Although the tools are not marked, this is an early set c1860. The central cartouche is no longer present. C1850 DRAWING INSTRUMENT SET early Antique mahogany BOX.Auctiva offers Free Image Hosting and Editing. The item "C1850 DRAWING INSTRUMENT SET early Antique mahogany BOX" is in sale since Wednesday, February 27, 2019. This item is in the category "Collectables\Scientific Collectables\Engineering & Surveying". The seller is "antwren" and is located in dorset. This item can be shipped worldwide.