Next in the Underwood mechanical calculator’s documentation dump, from 1952 – The Underwood-Sundstrand New Model E Accounting Machine Dealer’s Sales Packet. (Right-click and select “view image” to embiggify)
Next in the Underwood mechanical calculator’s documentation dump, from 1952 – The Underwood-Sundstrand New Model E Accounting Machine Dealer’s Sales Packet. (Right-click and select “view image” to embiggify)