Underwood typewriter no.5, made in NYC, early 20th Century | Science Museum Group Collection
Fully Functioning Early 20th Century Underwood No. 5 typewriter Serial #23201 at 1stDibs | underwood typewriter no 5, underwood no 5, underwood typewriter models
1942 Underwood S on the Typewriter Database
Edmond History Museum
1920's USA. Underwood brand 5 model office typewriter – Vintage Type Shop