Keuffel & Esser 60 0718-24 18in Drafting Machine Arm Scale Rule Plastic

Keuffel & Esser drafting machine arm scale rule, model 60 0718-24.

This clear plastic rule is 18 inches long and is marked Full Size.

Good used condition with cracking near the hinge and some adhesive residue present.

Great for an engineer, drafting tools collector, or replacement part.