Vintage Hewlett Packard 11405A Vertical Circle with Original Case

A rare piece of vintage scientific instrumentation — the Hewlett Packard 11405A Vertical Circle, complete with its original carrying case. A collectible for HP enthusiasts, engineers, and vintage test equipment collectors alike. All knobs turn freely and the unit is in cosmetically good condition. The case shows wear and some corrosion consistent with age and storage.

Details:

• Brand: Hewlett Packard (HP)
• Model: 11405A Vertical Circle
• Includes: Original carrying case
• Mechanical condition: All knobs turn freely
• Cosmetic condition: Good — case shows wear and corrosion
• Tested: Untested — sold as-is
• Source: Local estate

Condition Note: Please review all photos carefully to assess condition. Questions welcome before purchasing.