Lanston Monotype Machine Co. - The Barrett 9¼ Adding Machine
Name/Title
Lanston Monotype Machine Co. - "The Barrett 9¼" Adding MachineEntry/Object ID
2022.9.64Description
Lanston Monotype Machine Co. - "The Barrett 9¼" Adding Machine Model: "The Barrett" Model 9¼ Serial Number: 83406 - 9 - 4 Attributes: 9 key columns keys for ¼ - ½ - ¾ Price: $225 (USA, 1924) Specifications: 9 number result digits Other Details: Originally designed by Glenn J. Barrett in 1910 for Barrett Adding Machine & Co., Grand Rapids, USA From 1922 sold/branded as Lanston Monotype Machine Co, Philadelphia, USACategory
2.1.3.1 Adding Machine
2.1.3.0 Calculating Machine, 2.1.0 Analog Data Processor, 2.0 Data Processing Devices