1. October anniversary on the Eve of Lenin's Jubilee

   Announcement Pages: 659 - 661

2. Making and testing semiacid ladle brick

   • Kh. M. Papakin
   • P. S. Ostrovskaya
   • G. V. Golov

   Production Pages: 662 - 664

3. Sonic method of checking quality of insulating refractories

   • M. N. Bluvshtein
   • Z. K. Zykova
   • L. I. Krigman

   Production Pages: 665 - 666

4. Calcining alumina in a falling layer

   • S. A. Malyukovich
   • V. D. Mikhailik

   Heat Technology Pages: 667 - 670

5. Kinematics of SM-143 and PK-630 presses

   • L. I. Matushchak
   • G. A. Koba

   Mechanization and Automation of Production Pages: 671 - 673

6. Density of semidry silicon carbide bodies made by vibroimpact compaction

   • V. M. Yam
   • V. F. Stepanov
   • N. K. Evseenko

   Mechanization and Automation of Production Pages: 674 - 676

7. Air fractionation of quartz powders

   • M. D. Barskii
   • P. V. Levchenko
   • S. L. Kozhevnikov

   Mechanization and Automation of Production Pages: 677 - 679

8. Determining pressing curves for industrial refractory bodies

   • V. E. Vernikovskii
   • A. P. Lapin
   • S. A. Klass

   Mechanization and Automation of Production Pages: 680 - 687

9. Service of a magnesite — Chromite roof in an open-hearth furnace

   • M. A. Kovshar'
   • A. A. Dobrokhotov
   • E. A. Koplenko

   Refactories in Service Pages: 688 - 691

10. High-refractory ceramics based on calcium and strontium zirconate

    • D. N. Poluboyarinov
    • Zh. N. Demidova

    Research Pages: 692 - 697

11. Correlated relationship between summed “Quality index” and some properties of semiacid ladle brick

    • Yu. P. Dyban'
    • É. K. Keler

    Research Pages: 698 - 702

12. Phosphate bonding of periclase

    • Yu. A. Pirogov
    • A. I. Fisherova

    Research Pages: 703 - 706

13. Preparation of high-refractory products made of strontium zirconate and strontium hafnate

    • V. Ya. Belik

    Research Pages: 707 - 709

14. Wettability of refractories by molten steels

    • E. A. Prokof'eva

    Research Pages: 710 - 713

15. Reagents used for photocolorimetric determination of titanium concentrations

    • L. V. Bogova

    Research Pages: 714 - 717

16. Determining cao concentrations by flame photometry

    • O. A. Chernykh

    Research Pages: 718 - 720

17. Reconstructing a siphon products section

    • A. G. Belogrudov
    • E. T. Strannikova

    Exchange of Experience Pages: 721 - 721

18. Vladimir Vasil'evich Lapin (on his seventieth birthday)

    Aninversaries Pages: 722 - 722

19. Dmitrii Nikolaevich Poluboyarinov (on his seventieth birthday)

    Aninversaries Pages: 723 - 723

20. Winners in the preoctober socialist competitions

    Announcement Pages: 727 - 727

21. Soft tar-dolomite refractories with an increased coke residue

    • V. G. Borisov
    • A. I. Andryushchenko
    • L. N. Ermolov

    Production Pages: 728 - 732

22. Pneumatic stirring system for loose materials in hoppers

    • I. G. Balakhnin
    • B. A. Lovygin
    • G. V. Novichev

    Mechanization and Automation of Production Pages: 733 - 735

23. Service of zircon nozzles for continuous steel casting

    • A. K. Karklit
    • A. N. Alekseeva
    • A. M. Kondratyuk

    Refractories in Service Pages: 736 - 740

24. Service of high-alumina refractories in checkers of converters for natural gas conversion

    • N. V. Pitak
    • T. A. Ansimova
    • V. G. Tikhonov

    Refractories in Service Pages: 741 - 746

25. Causes of failure of refractory structures in the stoves and hot-blast tract of blast furnaces

    • K. I. Kotov
    • M. I. Rovenskii
    • V. S. Magala

    Refractories in Service Pages: 747 - 750

26. Creep in granular corundum-spinel refractories

    • I. S. Kainarskii
    • I. G. Orlova
    • R. E. Vol'fson

    Research Pages: 751 - 758

27. Electric conductivity and phase composition of solid solutions ZrO₂-CaO, ZrO₂-Y₂O₃, and ZrO₂-CeO₂ AT 1000–1700°C

    • D. S. Rutman
    • G. A. Taksis
    • A. F. Maurin

    Research Pages: 759 - 764

28. Sintering magnesia with boron additives

    • P. S. Mamykin
    • T. A. Drozdova

    Research Pages: 765 - 768

29. Effect of dispersion on powder sintering

    • V. M. Gropyanov

    Research Pages: 769 - 775

30. Mechanizing refractory loading in railway trucks

    • R. M. Fedoruk

    Exchange of Experience Pages: 776 - 776