I have no idea what publication these Praktica pages came from but they are very informative. I have used the original scanned pictures but retyped the text for clarity.

Praktica - LTL3, MTL3:

The main features of the Praktica LTL and MTL models are as follows:

  1. Exposure counter
  2. Shutter speed knob
  3. Transport and shutter tensioning lever
  4. Film speed setting
  5. Accessory shoe
  6. Flash contact
  7. Rewind crank
  8. Rewind knob
  9. Carrying lug
  10. Shutter release with lock
  11. Delayed action release (optional)
  12. Delayed action lever
  13. Meter switch
  14. Automatic diaphragm mechanism
  15. Reflex mirror
  16. Cassette chamber
  17. Metal focal plane shutter
  18. Tripod bush
  19. Battery compartment
  20. Rewind button
  21. Easy-load guide
  22. Take up spool with easy-load frame
  23. Pressure plate
  24. Aperture ring
  25. Depth of field scale
  26. Focusing mark
  27. Distance scale
  28. Focusing ring