Lot 193 - A Large Burroughs Calculating Machine

Lot 193 - A Large Burroughs Calculating Machine

Full-Keyboard – Burroughs

Lot 193 - A Large Burroughs Calculating Machine

Burroughs Adding Machine on Stand - Solvang Antiques

Antique 1910 Burroughs Class 1 No 9 Adding Bookkeeping Typewriter Machine at 1stDibs burroughs typewriter value, burroughs adding machine serial number lookup, antique adding machine

John Wolff's Web Museum - Burroughs

The Complete History of The Burroughs Adding Machine - History-Computer

Sensors, Free Full-Text

Origin of Modern Calculating Machines, by J. A. V. Turck—A Project Gutenberg eBook

Adding-Listing Machines

Burroughs - Jaap's Mechanical Calculators Page

John Wolff's Web Museum - Burroughs