The model F Monroe Calculator
Channel: Jaap Scherphuis
Date: 16/08/2020

The model F Monroe Calculator was made from 1917 till 1918 by the Monroe Calculating Machine Company in Orange, New Jersey. It is functionally the same as the later models K and L. The mechanism is a bit more complicated however, and simplified in later models.

For more information about this and other calculators in my collection, please visit my website:
https://www.jaapsch.net/mechcalc/

0:00 Introduction
0:29 Addition
0:44 Multiplication
1:25 Clearing keyboard
1:36 Item count
2:06 Alignment comb
2:36 Carriage hook
3:11 Clearing counter and register
3:52 Crank cycle
5:26 Mechanism
7:18 Serial number
8:02 Outro