1. Mobile compressor plant with screw compressor

   • B. L. Grinpress
   • M. F. Bogdanov
   • Yu. S. Portyanskii

   OriginalPaper Pages: 503 - 505

2. New developments at the I. I. Lepse valve factory in Leningrad

   • L. M. Gil'man

   OriginalPaper Pages: 506 - 509

3. Throttling-type helium liquefier with refrigerated discharge

   • A. A. Belushkina
   • A. G. Zel'dovich
   • Yu. K. Pilipenko

   OriginalPaper Pages: 510 - 513

4. Contribution to the design of centrifugal atomizers

   • B. A. Pervitskii
   • V. A. Zimin

   OriginalPaper Pages: 514 - 516

5. Acoustical design procedure for interstage piping in a compressor plant with modular intercoolers and baffled shell- and-tube intercoolers

   • A. G. Platonov

   OriginalPaper Pages: 517 - 519

6. Calculation of the mean diameter of drilling bit bearings

   • I. N. Kazarov

   OriginalPaper Pages: 520 - 522

7. Elastoplastic operation of multilayer cylinders with gaps

   • P. G. Pimshtein
   • V. G. Tatarinov

   OriginalPaper Pages: 523 - 528

8. New design of a discharge apparatus for centrifugal separators

   • A. I. Mendelevich

   OriginalPaper Pages: 529 - 530

9. Filtration of aluminum sulfate solution on a ceramic thimble filter

   • A. N. Khutinaev

   OriginalPaper Pages: 531 - 533

10. Heat exchange upon free convection in a large volume of vacuum oil at low pressure on flat horizontal heating surfaces

    • M. M. Sorokin
    • A. V. Chechetkin

    OriginalPaper Pages: 534 - 536

11. Approximate determination of the temperature in the cavities of a gas refrigerating machine

    • V. N. Novotel'nov
    • I. K. Kondryakov

    OriginalPaper Pages: 537 - 538

12. Influence of common stress concentrators on the tendency for corrosion of aluminum alloy AMg6

    • T. M. Sigalovskaya

    OriginalPaper Pages: 539 - 542

13. The corrosion and electrochemical behavior of various construction steels in some media encountered in production of suspension polystyrene

    • N. P. Abalyan
    • V. N. Ovchiyan
    • M. A. Mirzoyan

    OriginalPaper Pages: 543 - 545

14. Carbon dioxide-shielded welding

    • I. Z. Kagan

    OriginalPaper Pages: 546 - 547

15. New welding wire for welding nickel

    • N. I. Kamakin
    • I. N. Medrish
    • A. A. Sychev

    OriginalPaper Pages: 548 - 551

16. Physical methods for the investigation of the fatigue failure of circulation pump and high-pressure compressor cranks

    • L. B. Berezovskii
    • N. V. Khimchenko

    OriginalPaper Pages: 552 - 554

17. Treatment of piston rings of a diameter exceeding 200 mm

    • A. A. Usikova
    • A. A. Velikasov
    • V. P. Malik

    OriginalPaper Pages: 555 - 555

18. Optimization of equipment planning in objective sections of a mechanical shop with the aid of a digital computer

    • V. N. Kalinina

    OriginalPaper Pages: 556 - 559

19. Nomograms for calculating the reliability of standby technical systems

    • Ya. M. Kershenbaum
    • Yu. A. Vasil'ev
    • S. G. Babaev

    OriginalPaper Pages: 560 - 563

20. Toughening of shaft fillets with a slanting roll

    • L. I. Yakhnis

    OriginalPaper Pages: 564 - 565

21. Argon consumable electrode-arc welding of brass units

    • A. K. Yamov
    • B. A. Nikulin

    OriginalPaper Pages: 566 - 566

22. Manufacture of ferrosilicide sieve trays

    • K. N. Trushnikov
    • M. L. Varlamov
    • U. A. Sadykov

    OriginalPaper Pages: 567 - 567

23. Small universal roll mill

    • I. A. Goryunov

    OriginalPaper Pages: 568 - 568

24. Automatic machine for grinding sealing ring sections

    • I. F. Litvinenko
    • V. S. Talashchenko

    OriginalPaper Pages: 569 - 570

25. Forging die for the manufacture of levers

    • R. A. Nikonov

    OriginalPaper Pages: 571 - 571

26. Device for grinding drilling machine spindles

    • M. Ya. Gerasimenko

    OriginalPaper Pages: 572 - 572

27. Equipment for producing pure neon from a neon-helium mixture

    • O. K. Tabunshchikova
    • A. V. Belonogov
    • V. M. Dobrov

    Information Pages: 573 - 574

28. Assessment of the economics of using oils in an oil-filled compressor

    • L. M. Tolmatskii

    Information Pages: 575 - 576

29. Rail tank cars for transporting liquid sulfur

    • L. I. Meshcheryakov
    • S. A. Degtyareva

    Information Pages: 577 - 577

30. Check by experience

    • A. A. Smitskoi
    • N. I. Makeev
    • A. V. Semin

    Information Pages: 578 - 578

31. Filtration equipment at the “Sugar Industry-69” exhibition

    • B. N. Borisoglebskii
    • E. I. Khomutova

    OriginalPaper Pages: 579 - 583

32. Improving cake discharge from horizontal sedimentation conveyer centrifuges

    • A. V. Bruzhnikova

    OriginalPaper Pages: 584 - 585