SECRETARY'S REPORT 103 



Navy, Department of, Washington, D. C. : Collection of spark plugs used with 

 aircraft engines produced in various nations and dating from pre-World 

 War I era to recent years ; and a Heinkel Hirth RR2 gas turbine engine of 

 experimental type produced in Germany during World War II in 1944 (N. A. 

 M. 840), A waist hatch door from a Martin PBM-5 "Mariner" flying boat of 

 the World War II period. The door is equipped with racljs for mounting 

 jato tanks used for increasing takeoff power and reducing the distance re- 

 quired to be airborne (N. A. M. 843). A collection of flight instruments, engine 

 instruments, and miscellaneous aircraft accessories of Japanese origin, pro- 

 duced and used during World War II (N. A. M. 846). 



Richmond, Lt. Jack J., Hollywood, Calif.: Crash helmet worn by the donor, 

 1918 (N. A. M. 866). 



Ruffe, Inc., Miami, Fla. : Cutaway example of an ejection seat catapult used 

 in many current types of Jet-engiued fighter airplanes (N. A. M. 864). 



Smith, Milton M., Shreveport, La. : Insigne of the Lafayette Escadrille, famous 

 squadron of American pilots who fought with the French prior to America's 

 entry into World War I, removed by the donor from an airplane iised by Raoul 

 Lufbery, one of America's most famous pilots of that war (N. A. M. 850). 



United Airceaft Corporation, Hamilton Standard Division, East Hartford, 

 Conn. : Air-conditioning unit, heat-exchanger type, develoi>ed for use in the 

 North American F-86H "Sabre" (N. A. M. 847). R-2180 Twin Wasp aircraft 

 engine, developed by the donors in 1947 for powering medium transport air- 

 craft, with complete installation equipment including the nacelle and the asso- 

 ciated electrical fuel and lubrication accessories (N. A. M. 849). 



United Air Lines, Chicago, 111. : Scale model, 1 : 16, of the Laird "Swallow" 

 which was flown by Varney Air Lines, predecessor of United Air Lines, on the 

 original Contract Air Mail Route 5, April 1926 (N. A. M. 862). 



U. S. National Museum, Department of History, Washington, D. C. : German 

 bomb of World War I (N. A. M. 839). Radio receiver, transmitter, and ac- 

 cessories of the type used in Naval aircraft during World War I and the early 

 1920's (N. A. M. 844). 



University of Detroit, Detroit, Mich. : Collection of aircraft engine instruments, 

 flight instruments, and engine accessories used during World War I (N. A. M. 

 838). 



Veuville, Alfred V., Washington, D. C. : Group of personal items presented to 

 the donor by Gen. William Mitchell, including the General's swagger stick and 

 the pennant flown from his airplane (N. A. M. 865). 



Wittman, S. J., Oshkosh, Wis. : Buster, a midget racing airplane formerly named 

 "Chief Oshkosh" designed and built by the donor in 1931, aud entered in 

 numerous races throughout the period 1931-54, winning many notable com- 

 petitions and placing among the leaders in most of the more than 50 compe- 

 titions entered (N. A. M. 859). 



WoEENER, C. E., Geneva, Ohio: Warner "Scarab" aircraft engine of the type 

 produced in 1928 (N. A. M. 852). 



Eespectf ully submitted. 



Paul E. Garber, Head Curator. 

 Dr. Leonard Carmichael, 



Secretary/, 8mithsoniam, Institution. 



370930- 



