“I use an adding machine for everything — adding up deposits, drivers’ invoices … every function of the business,” Theresa Kronrad said.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This ten-key printing electric adding ...

This full-keyboard printing electric adding machine has a tan steel frame and eight columns of tan and brown square plastic keys. To the left of these is a column of keys with the numbers 71 through ...