Lot of 3 vintage engineering drafting sets, two from Keuffel & Esser Co. Kern +

Wood K&E Keuffel & Esser Triangle Scale Ruler Drafting 12" Length Vintage

Vintage Keuffel & Esser K & E Doric Lettering Set 8915 Drafting Engineering Tool

Rare Vtg K&E Keuffel & Esser Co. 18" Drafting Ruler Paragon 1376P-22 Full & Half

Keuffel & Esser K & E Doric Lettering Set 8915 Drafting Engineering Tool

Vintage K&E Keuffel & Esser Rolstop #58 0790 Engineering Drafting Tool Pair

K&E Keuffel & Esser Co. 12" Wooden Drafting Ruler Paragon and Senco Ruler

Keuffel & Esser Co. Engineering Drafting Rulers - 4 Pieces - Made Italy ASIS