Lot 203100: Vintage USAF/Navy Type MB-9 Flight Computer Set with Case
Estate Auction: Multiple-Estate Liquidation Roseville, CA (181) · Sold
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Archived Lot Result
- Auction
- Estate Auction: Multiple-Estate Liquidation Roseville, CA (181)
- Lot Number
- 203100
- Status
- Sold
- Hammer / Price
- Sign in to view realized price
- Opening Bid
- $5.00
- Accepted Bids
- 8
- Closed
- 1/22/26 7:08 PM PT
Description
A vintage US Air Force/Navy Type MB-9-F5N dead reckoning computer with its leather case and operating instructions handbook. This circular slide-rule device was used by pilots for air navigation calculations. It can solve problems such as true airspeed, Mach number, wind solution, and supersonic calculations. The item was manufactured by Allegheny Plastics, Inc. It is typical of the specialized mechanical calculators used before electronic systems became standard. 6.5" H x 5" W Good condition.