Comptometer

Comptometer

Comptometer

Name/Title

Comptometer

Tags

Comptometer, John Henry Kirby

Scope and Content

Vintage Comptometer PAT D FELT 1885

Collection

John Henry Kirby Estate

Cataloged By

[email protected]

Parts

Count

7

Parts

component, lever, control knob, lever stop, output display, controlled key, safe guard

Accessories

Accessory

Frame

Condition

Reason for Exam

Inventory

Overall Condition

Fair

Date Examined

Oct 17, 2021

Exhibition

Null

Research Notes

Research Type

Researcher

Date

Oct 16, 2021

Notes

A vintage calculator from the 1900s. Calculation supported: Addition, Subtraction, Multiplication, Division. It served as an adding calculating machine. Patented in the US 1887.

Create Date

April 7, 2021

Update Date

November 12, 2024