Kuffel & Esser Vintage Slide Rule, and leather carrying case. 10 1/2 in length, and 1 3/4 in width. Patent No. 1,934,232, style No. N 4053-3
On the reverse side are equivalent and abbreviations from the U.S. Bureau of Standards, circular No. 7
Good Condition
Product Information
| Category | Vintage & collectibles > Antique > 50 to 75 years |
|---|---|
| Condition | Good |
