Smith Corona Adding Machine Value Guide

The Smith Corona Adding Machine is a hallmark of mid-century office automation, representing the company's expansion from typewriters into mechanical calculation. These hand-cranked devices are highly collectible for their robust metal construction and the tactile, rhythmic operation of their internal gears.

What Is Smith Corona Adding Machine Worth?

The typical price range for Smith Corona Adding Machine is $120 - $120 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

• Mechanical functionality is paramount; machines that still cycle and print accurately command the full $120 market value.
• The cosmetic condition of the green buttons and the absence of paint chipping on the metal body significantly impact desirability.
• Presence of original accessories, such as the rubber feet or a surviving paper roll, can increase collector interest.
• Internal cleanliness and the absence of rusted gears ensure the machine remains a working historical piece rather than a parts donor.

How to Identify Smith Corona Adding Machine?

• Look for the signature vertical columns of green plastic number buttons characteristic of Smith Corona's mid-century design.
• Verify the presence of the original manual hand crank on the right side of the metal chassis.
• Check for the Smith Corona brand logo, typically printed or embossed on the front or rear metal casing.
• Inspect the paper tape feed mechanism at the top, which should be integrated into the metal housing.

History of Smith Corona Adding Machine

Smith Corona, a company primarily known for typewriters, also ventured into mechanical adding machines in the early to mid-20th century. These machines were crucial for businesses and offices before the widespread adoption of electronic calculators, allowing for quick and accurate calculations. They represent a significant piece of office automation history.