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William M. Magruder Group of (5) Flown Douglas DC-8 Test Flight Covers

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:200.00 - 400.00 USD
William M. Magruder Group of (5) Flown Douglas DC-8 Test Flight Covers

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Auction Date:2018 Dec 13 @ 18:00 (UTC-5 : EST/CDT)
Location:236 Commercial St., Suite 100, Boston, Massachusetts, 02109, United States
ALS - Autograph Letter Signed
ANS - Autograph Note Signed
AQS - Autograph Quotation Signed
AMQS - Autograph Musical Quotation Signed
DS - Document Signed
FDC - First Day Cover
Inscribed - “Personalized”
ISP - Inscribed Signed Photograph
LS - Letter Signed
SP - Signed Photograph
TLS - Typed Letter Signed
Group of five flown covers carried on test flights of the Douglas DC-8, each with a stamped cachet filled out with the flight's information and signed by test pilot William M. Magruder. Dates include: December 17, 1959 (with enclosed note by Magruder: "This card was carried in DC-8 OPA during high Mach No. tests at EAFB on 12/17/59. These tests completed high speed demonstration for the JT-4 powered DC-8"); January 14, 1960 ("Take-off Demonstration"); April 20, 1960 ("Landing tests of the JT-3 powered DC-8"); May 2, 1960 ("Reverse thrust on 4 engines at 400 knots"); and May 20, 1960 ( "Rolls Royce powered DC-8 dives to 0.95 Mach No"). In overall fine condition.