The Keuffel & Esser Co. drafting tools I inherited from my aeronautical engineer grandfather. Used to draft space shuttle parts. : r/Machinists

Henry Petroski - An Engineer's Alphabet - Gleanings From The Softer Side of A Profession-Cambridge University Press (2011), PDF, Acronym

VINTAGE KEUFFEL & ESSER CO. DRAFTING SET. MINUSA. 795 1/8

Keuffel & Esser Co. Vintage Drafting/Drawing Tool Set

Aerospace Engineers' Handbook

Wilhelm J.D. Keuffel Immigrant Entrepreneurship

Keuffel & Esser Co. Vintage Drafting/Drawing Tool Set

Vintage Keuffel Esser K & E Paragon Drafting Arm Tool Mechanical Engineering USA

Seems to be an early set, but I have no idea how to date it. See condition and pictures.

Vintage Keuffel & Esser Drafting Tool Set Challenge 9726F

Vintage Keuffel & Esser Co Drafting Set Made In USA Original Case Tools

Vintage Keuffel & Esser Co K&E Drafting Tools Compass SET BOX

Vintage Keuffel Esser Co Mercury Drafting Set

The Keuffel & Esser Co. drafting tools I inherited from my aeronautical engineer grandfather. Used to draft space shuttle parts. : r/Machinists

Surveying compass, model 5335, 2-1/2 needle, made by Keuffel & Esser Co., N.Y. N.d., ca.1894-1900. - Compass, Surveyor's