C.H. Webb Adder
About this Model
19th‑century mechanical adding machine with two wheels, nickel‑plated steel, serial number 2770, missing original stylus.
Geographic Distribution
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C.H. Webb Adder - Computer Market Overview
Based on 1 sold computer, the C.H. Webb Adder typically sells for $122.49 (median price).
Price by Condition
| Refurbished | Fully Working | Partially Working | Powers On | Untested | Not Working | For Parts | |
|---|---|---|---|---|---|---|---|
| New | — | ~$651 | — | — | ~$521 | — | — |
| Mint | — | ~$536 | ~$402 | ~$375 | ~$429 | — | — |
| Excellent | ~$269 | ~$245 | ~$184 | ~$171 | ~$196 | ~$86 | ~$61 |
| Good | ~$168 | ~$153 | ~$115 | ~$107 | $122 (1) | ~$54 | ~$38 |
| Fair | — | ~$115 | ~$86 | ~$80 | ~$92 | ~$40 | ~$29 |
| Poor | — | ~$84 | ~$63 | ~$59 | ~$67 | ~$29 | ~$21 |
Median sold prices in USD. Bundle prices are estimated per item. Click a cell to browse matching listings.
~$X values are estimates based on global condition trends.
C.H. Webb Adder value & price questions
What is the value of a C.H. Webb Adder?
The value of a C.H. Webb Adder is approximately $122 (median sold price) based on 1 recent sales. Values range from $122 for units in fair condition to $122 for mint or sealed units with complete original packaging.
What is a C.H. Webb Adder worth?
Based on 1 recent sales, a C.H. Webb Adder is worth between $122 and $122, with a median value of $122.
