Original totalizer / adding unit assembly removed from a verified

National Cash Register Co. Model 724 (Class 300–700)

Serial Number 2148147

Manufactured circa 1910–1911 in Dayton, Ohio.


Photos of the donor register and corresponding paperwork are provided for provenance only and are not included in the sale.


This is the internal mechanical adding unit that accumulated transaction totals. The numbered drums (0–9 wheels) are intact and present.


• Number wheels turn with light, even resistance

• Gear teeth appear complete

• No modern repairs

• Sold exactly as removed

• Unrestored and uncleaned


This is a genuine original NCR internal assembly — not reproduction, not altered. Ideal for restoration, display, or as a correct period replacement for a Model 724 project.


Please review all photos carefully. What you see is exactly what you will receive.


A strong mechanical survivor from one of NCR’s early 20th-century single counter registers.


Donor registers pictured for provenance and reference only and is not included in the sale.


THANKS FOR LOOKING!!


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