This is an Aero Products Research Inc E6-B Flight Computer Manual & Vintage Case. It is a vintage collectible item that was made in the United States from high-quality materials. The manual is designed to help pilots perform essential calculations during flight, making it a valuable addition to any aviation collection.

The item is in a very good condition and comes with a vintage case that adds to its overall aesthetic appeal. This collectible flight computer is perfect for aviation enthusiasts or anyone who appreciates vintage items. The manual is easy to use and contains all the information needed to perform accurate calculations during flight.

Thanks for looking.