Introduction to Numbers
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Title self-explanatory. Introduction to Preventive Mainte nance U.S. Office of Education, 1945. Reviews material presented in motion picture, same title. (OE 461; 33 frames)
Complete catalog record
Series: Auto motive Operation and Maintenance Series. Preventive Maintenance No. 1
Film number: FS 72-6
Type: Filmstrip
Film number: FS 72-6
Type: Filmstrip
Source: 3434 U.S. Government Films · Record added 2026-07-13 14:19:25