|History Website for Dibdin, Aglio, Rowntree, Guise, and other Families|
|History Homepage||Picture Gallery||Photo Gallery||Museum||Articles||Sitemap|
|Marshall Family Home Page|
A calculating machine use in commercial environment.
Used as late as 1974 and maybe later.
Could add subtract multiply and divide and find square roots. Originally Mechanical and later electromechanical.
Comptometer Section Cost Office