K & E Keuffel & Esser 1376T-7 Drafting Machine Scale Ruler In Box 1/4 1/8 Used

B15 Vintage Keuffel & Essex K&E 12” Drafting Machine Scale 1375T-22

Keuffel & Esser K&E 9" 1378T-22 Drafting Machine Scale Ruler Full & Half In Size

Vintage Vemco Drafting machine protractor head

Vintage Vemco Drafting Tool Machine Rule 9 P-6

Drafting User Manual K&E PARAGON FULL SIZE MACHINE.

Keuffel & Esser Co. K&E N1376A-15 Aluminum Drafting Ruler 18"

Vintage Keuffel & Essex K&E 12” Drafting Machine Scale Luxylite 1375T-1