1592953977000 1312632483000 term-81130 1742622787550 1312632578000 1742622783610 adlib fitz-online adlib-term-81130 a684439b-7c78-3401-87cc-f86d588a2507 6 1 scope note Drafting instruments having straight edges that may be set at any desired angle with the edge of a drawing board. W reference term-80213 adlib-term-80213 5c1a6e57-ad90-3ba9-a2bb-aec7f64b0cf0 set square V.TH.AFU.AXC.GWW.ALO.CFS.AXC 1 code V.TH.AFU.AXC.GWW.ALO.CFS.AXC 1 set squares reference term-81137 adlib-term-81137 1cfd5e8e-2f3f-3532-bd0d-1fcb080c2a61 squares (tools) set squares term