Vintage Felt and Tarrant Chicago USA Comptometer Adding Machine Calculator | Antiek en Curiosa
Felt & Tarrant Comptometer with green and white push buttons in green crackle case, No.992-35846, with cover in original wooden shipping case with BR and other consignment labels - Maritime, Cameras, Scientific
Felt & Tarrant Comptometer Model J | A Collection of Mechanical Calculators
Lot - Felt & Tarrant comptometer. SN: M421915. Includes gray cover.
IBM Archives: Felt and Tarrant Comptometer
John Wolff's Web Museum - Felt & Tarrant - The Comptometer