Leitz universal counting eyepiece instructions manual. Available to purchase for immediate download. Below is an extract from the manual converted to text for a quick impression on the content. Leitz universal counting eyepiece instructions manualUniversal Counting EyepieceC O N T B N ‘l' S 1. Introduction 2; Technical description 8. Terminology 4. Deflnitim and determination of the basic quantifies of the counting eyepiece 5. Definition and determination of the counting quantities 6. Application of the method 7. Preparation of the specimens 8. Measuring methods 9. Counting 10. Statistical evaluation of the result: 11. End finding 12. Practical use of the errot tracing chatt 13. Evaluating table