Basic Field Manual ...: Military courtesy. chapter 2. Personal hygiene. chapter 3. Equipment. chapter 4. Physical training. chapter 5. Map and serial photograph reading. chapter 6. Sketching. chapter 8. Defence against chemical attack. chapter 9. ScoutingU.S. Government Printing Office, 1938 |
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30 Rock aerial photographs angle base direction base position camera Center of Photograph center points compass contour interval corresponding D GROUND defilade Difference in elevation direction of flight Direction of shadow eleva examination of aerial eye base feet focal length Fort Belvoir geographic coordinates graph graphic scale grid azimuth grid coordinates grid lines grid north grid zone ground distance Height of mask Horizontal Distance Identifiable Object inch grid inspection intersection intervisibility lens height line drawn line joining line of sight longitude magnetic declination magnetic north map distance Map position map reader meridian miles military grid mosaics nearest needle one's position optical axis oriented overlapping parallel plain vertical PLUMB POINT polyconic projection principal point PRINT profile method protractor relief Rubber band method scale line Scale of Equal shown slope stereoscopic pair straightedge terrain TILTED PHOTO tion true north units vertical photographs visible Y-grid line yards