01819oam 2200541I 450 991071343430332120200925100844.0(CKB)5470000002501312(OCoLC)1117765922(EXLCZ)99547000000250131220190909d1923 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierAn impulse electric motor for driving recording instruments /by W.F. Joachim[Washington, D.C.] :National Advisory Committee for Aeronautics,1923.1 online resource (13 pages, 4 unnumbered pages) illustrationsTechnical notes / National Advisory Committee for Aeronautics ;No. 157"September 1923.""Taken from Journal of the Franklin Institute, August, 1923."No Federal Depository Library Program (FDLP) item number.Includes bibliographical reference (page 1).Electric motorsRecording instrumentsAeronautical instrumentsElectric motorsfastRecording instrumentsfastElectric motors.Recording instruments.Aeronautical instruments.Electric motors.Recording instruments.Joachim W. F.1386135United States.National Advisory Committee for Aeronautics,TRAALTRAALOCLCOGPOSTFOCLCFNJTGPOBOOK9910713434303321An impulse electric motor for driving recording instruments3434774UNINA