Monroe Electromechanical Question

From: David Friedlander
Email: dfriedlander@law.capital.edu

Comments

I have a question about early electromechanical Monroe calculators; Does anyone know what the large round knob on the right front side of the carriage is for? It's approx. an inch in diameter and is on a rectangular shaft (slightly rounded)that protrudes about on inch from the carriage.