Manual Adding Machine. Material: metal. (a) Machine. Size: (a) 16" W. x 20" L. x 12" deep. Description: black metal Burroughs machine serial: 222722, manufacturer: Burroughs Adding Machine Co., Detroit, Michigan; long carriage, bell, register front of keyboard. (b) Stand. Size: 26" W. x 34" H. x 27" D. Description: black metal with painted copper accents, four rolling wheels with elevating mechanism, collapsible board at side of stand with natural wood finish. Register glass cracked.