Drafting instrument set Green shagreen (sharkskin) case with fitted tool compartments and tools. Tools include: 1 brass and steel divider with removable leg; tips - 3 pens; 1 tip; ivory handled pen and pencil; unknown tool marked "UE Patent"; brass protractor; ebony parallel rulers with brass hinge; and ivory 12 inch folding ruler with brass hinges and stamped "J. Shuttleworth". Metal and ivory tools, shagreen (sharkskin) and cardboard case. H 18.0, W 4.0, L 7.5 cm Guilford Courthouse National Military Park, GUCO 1572