Victor Adding Machine

The Victor Adding Machine Company was founded in 1918 and the first Victor Adding Machine was introduced in 1919. 10 column machines, with 5 inch Stationary carriage and 1/60 fraction feature for adding Hours and Minutes.
Victor 500 Series.
Dimensions: 285W x 455D x 250H
Weight: 16.0kg
115 volt 60 cycle Ac/Dc only 125 Watts
Manufactured: Victor Adding Machine Company,Chicago, Illinois.
This Machine is Used G.S. Contract, G.S. 03S-2640. AF Contract (33-600)-52-4966
I would really like to find out more information about this adding machine, also wondering there is any value.