1. 125th anniversary of the metrological service in the USSR

   • V. O. Arutyunov

   Announcement Pages: 1 - 3

2. Application of optoelectronics for improving measuring equipment

   • G. E. Bogoslavskii
   • A. A. Molchanov
   • A. M. Sharadkin

   OriginalPaper Pages: 4 - 8

3. Potentialities of the metrological service for raising the economic efficiency of production

   • M. I. Mekler

   OriginalPaper Pages: 9 - 14

4. Method for planning base test laboratories and its practical application

   • L. N. Zakashanskii
   • L. G. Polyakova

   OriginalPaper Pages: 15 - 18

5. Uniform method for evaluating distortions of an actual signal

   • N. A. Rubichev

   OriginalPaper Pages: 20 - 25

6. Analysis of errors in measuring turbulence by means of the optical method

   • G. R. Baranova
   • A. M. Trokhan

   OriginalPaper Pages: 26 - 32

7. Precision in measuring angles with goniometers

   • V. Ya. Éidinov

   OriginalPaper Pages: 33 - 42

8. Photoelectric method for testing linearity

   • S. F. Korndorf
   • V. M. Vedenov

   OriginalPaper Pages: 43 - 44

9. Instrument for automatic recording of surface linearity

   • B. M. Levin
   • I. V. Shevtsov
   • V. P. Bratov

   OriginalPaper Pages: 45 - 48

10. Automatic trimming of measuring systems for testing linear dimensions

    • Z. Sh. Geiler
    • Yu. A. Frolov

    OriginalPaper Pages: 49 - 50

11. Automatic mass-batching and recording device

    • A. I. Angeli

    OriginalPaper Pages: 51 - 53

12. Raising the strength of elastic membrane sensing elements

    • I. A. Sychev

    OriginalPaper Pages: 54 - 57

13. High-frequency hydraulic pulsator SU 1009

    • A. P. Pleshko
    • Yu. N. Kashirin
    • N. A. Pankusov

    OriginalPaper Pages: 58 - 61

14. Modern methods and means for precise measurements of liquid flows

    • N. M. Khusainov
    • A. A. Tupichenkov

    OriginalPaper Pages: 62 - 65

15. Standards and reference instruments for plotting and transferring the temperature scale by means of thermal radiation

    • G. A. Krakhmal'nikova
    • É. A. Lapina

    OriginalPaper Pages: 66 - 72

16. Film thermocouple with a nickel electrode for measuring surface temperatures

    • D. F. Simbirskii
    • A. F. Bogdanova
    • B. I. Kolesnik

    OriginalPaper Pages: 73 - 75

17. Measuring the thermal activity of liquids by means of the temperature pulsation method

    • I. I. Novikov
    • F. G. Él'darov

    OriginalPaper Pages: 76 - 81

18. Theory of phase-generating converters

    • K. S. Polulyakh

    OriginalPaper Pages: 82 - 86

19. Operating speed of dc instrument amplifiers

    • V. P. Fedotov

    OriginalPaper Pages: 87 - 91

20. Measuring the basic parameters of a system of two coupled circuits

    • Yu. A. Dolgopolov

    OriginalPaper Pages: 92 - 97

21. Analyzing errors of null detectors in analog-digital converters with incremental balancing

    • E. V. Mikhailov

    OriginalPaper Pages: 98 - 102

22. Sensitivity of a semiconductor thermistor bridge

    • A. V. Elin
    • V. A. Petrov

    OriginalPaper Pages: 103 - 105

23. Difference meter of quality factors

    • L. Ya. Il'nitskii
    • V. P. Shishkin

    OriginalPaper Pages: 106 - 109

24. Evaluating the error contributed by magnetic recording in reproducing frequency converter signals

    • A. G. Kul'gachev
    • A. A. Dogadov
    • Yu. F. Zin'kovskii

    OriginalPaper Pages: 110 - 114

25. Application of the zero method and frequency spectrum conversion for investigating complex periodic voltages

    • E. L. Kantor

    OriginalPaper Pages: 115 - 120

26. Human factor and reliability of measuring devices

    • V. I. Danilyak
    • V. K. Oshe

    OriginalPaper Pages: 121 - 124

27. Precise measurements of holes with diameters of 0.05 to 200 mm

    • B. S. Zinin
    • I. L. Galitskii

    OriginalPaper Pages: 125 - 129

28. Measuring the tilt angle of gear teeth with an optical dividing head

    • M. I. Malakhov

    OriginalPaper Pages: 130 - 130

29. Raising the sensitivity of the autocollimation method used in angular and linear measurements

    • V. S. Usov
    • G. V. Dureiko

    OriginalPaper Pages: 131 - 132

30. Auxiliary tables for testing resistance thermometers

    • A. A. Noskov

    OriginalPaper Pages: 133 - 135

31. Ensuring the trustworthiness of mass measurements (A contribution to discussion)

    • N. I. Kosorukov
    • V. N. Baburov

    Metrological Service Pages: 136 - 139

32. Raising the efficiency of testing and inspection at the State Inspection Laboratories

    • B. N. Vorontsov

    Metrological Service Pages: 140 - 142

33. Interrelationship between metrology and qualimetry (A contribution to discussion)

    • É. P. Raikhman
    • G. G. Azgal'dov

    OriginalPaper Pages: 143 - 146

34. From the journal “Pribory i systemy upravleniya”

    • V. A. Ivanova

    OriginalPaper Pages: 147 - 147

35. Thorough discussion of metrological problems in measurement technology

    • N. I. Dutikov

    Standards Press Pages: 148 - 150

36. Results of the All-Union socialist competition for the third quarter of 1969

    Information Pages: 151 - 152

37. Soviet equipment for measuring mechanical quantities, mass, and time and vibrometric instruments at the “Avtomatizatsiya-69” exhibition

    • L. M. M.

    Information Pages: 153 - 155

38. Measuring instruments of the Hungarian People's Republic

    • S. N. R.

    Information Pages: 156 - 158

39. In the metrolog1cal institutes (brief abstracts of certain completed works)

    Information Pages: 159 - 162

40. Comments on V. A. Sergeev's article (Measurement Techniques, No. 4, 1969) “Testing the precision of metal-working machines”

    • A. G. Ivanov
    • M. I. Kunin
    • A. V. Vorontsova

    Brief Communications and Letters to the Editor Pages: 163 - 164

41. Optimum winding section of an oscilloscope galvanometer with liquid damping

    • S. N. Gural'nik

    Brief Communications and Letters to the Editor Pages: 165 - 166

42. Theory of ponderomotive power meters

    • B. P. Kononov

    Brief Communications and Letters to the Editor Pages: 167 - 169

43. Application of pyroceramics in instrument making

    • A. G. Minakov
    • R. S. Zolotareva
    • A. A. Gumilevskii

    Brief Communications and Letters to the Editor Pages: 170 - 171

44. Saving in the expenditure on testing and the wages of testers (a contribution to discussion)

    • Yu. V. Ivanov

    Brief Communications and Letters to the Editor Pages: 172 - 172

45. Letter to the editor

    • P. N. Rudenko

    Brief Communications and Letters to the Editor Pages: 173 - 173

46. Corrections applied to the carrier frequencies of the radio stations GBR and RES according to the USSR state standard of time and frequency

    Erratum Pages: 174 - 174