The Keuffel & Esser Co. drafting tools I inherited from my aeronautical engineer Grandfather. Long since idle but used at one time to draft Space shuttle parts. : r/Tools

Vintage KEUFFEL & ESSER (K&E) PARAGON Mechanical DRAFTING SET 12

Paragon Jr. drafting machine made by Keuffel & Esser Co

Because of this, they are sold AS IS, as found.

Keuffel & Esser Co drafting arm K & E 115936 machinist vintage tool drawing

Keuffel & Esser Company, MyCompanies Wiki

Paragon beam compass, probably model 502X, sold by Keuffel & Esser

keuffel esser

Keuffel Esser Compass

prologue - Science & Engineering Library - UC San Diego

AE201 Midterm Flashcards

National Museum of American History

Paragon Jr. drafting machine made by Keuffel & Esser Co