Tractor, Crawler, Diesel, 70 to 90-DBHP, Standard, Caterpillar D7, 74-In. Gage, with La Plant-Choate R-71, Angledozer and Le Tourneau R-7, Power Control Unit. Serial Nos. … report / house of representatives National armories / [made by Mr. R.H. Stanton, from the Select Committee] Amerikaanse strijdkrachten : een encyclopedie van Amerika's militaire uitrusting en strategie / [red. Ray Bonds ; vert. uit het Engels] heritage of the march Heritage of the March : Volume 86-J. Texidor-L. R. Stanley Cave of the Winds : the remarkable history of the Langley Full-Scale Wind Tunnel