MB-4 AIR NAVIGATION AERIAL COMPUTER 1946 W/ USAF INST
Offered for auction is this aged US GI flight computer identified as COMPUTER, AIR NAVIAGATION, DEAD RECKONING TYPE MB-4 per Specification Mil C-54148. The MFGRS PART NO. FAA-46C suggest it was manufactured in 1946 by FELSENTHAL INSTRUMENTS CO. The pilotâe(tm)s âe~whiz wheelâe(tm) is intact, fully functional and shows usage, a âe~AF58 14086âe(tm) stamped number and comes in a worn leather pouch. The body of the computer appears to be aluminum and the hard plastic hanging loop shows a material crack. Discovered with the computer was a US Air Force Instructions book titled DEAD RECKONING COMPUTERS AF Manual 51-12 >. The illustrated instructions manual covers the step by step operations of the MB-2A & MB-4 Types Dead Reckoning Computers. The technical book measures 8 Â¼âe x 10 Â½âe, has 76 pages of problem solving techniques on these types of aerial computers. The is intact but shows page age yellowing and some slight cover smudge marks and stains.PAYMENT
Payment must be received within 7 business days of auction closing and payable in $ US Dollars $Domestic buyers can Depending on Ebay feedback, personal checks may be subject to 10 day waiting period for bank clearance! Buyers residing in Wisconsin payâe(tm)s 5.5% sales tax.For international buyers we accept Paypal in USD SHIPPING & HANDLING
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