01083cam a22003131 4500001001300000003000400013005001700017008004100034010001700075035001900092040004700111042001200158043001200170050002300182082001300205110004100218245012700259260002900386300001800415490002600433500007600459500007600535650002200611650001800633700002000651700002000671810006100691999001700752e 42000190 DLC20260227111230.0790829s1942 lau s000 0 eng c ae 42000190  a(OCoLC)5323894 aU.S. Off. of educ. LibrarycLUdOCoLCdDLC apremarc an-us-la00aL154b.B32 no. 477 a631.37221 aLouisiana.bDepartment of Education.10aOperation, adjustment, and care of tractors.cIssued by John E. Coxe, state superintendent, state Department of education. aBaton Rouge, La.,c1942. a22 p.c23 cm.1 aIts Bulletinvno. 477 aAt head of title: State Dept. of education of Louisiana. January, 1942. a"Prepared by Mr. D. C. Lavergne ... and Mr. C. T. Thompson."--Foreword. 0aTraction-engines. 0aFarm engines.1 aLavergne, D. C.1 aThompson, C. T.1 aLouisiana.bDepartment of Education.tBulletinvno. 477. c21868d21868