Vintage Slide Rule Collection
Hopefully you are able to zoom in on the photos and be able to get item numbers and quantities. All of these came from Purdue University Book Store in the 70's when my neighbor was the manager. This item is in the category "Collectibles\Science & Medicine (1930-Now)\Engineering\Slide Rules".
The seller is "ben_58056" and is located in this country: US. This item can be shipped to United States.