Preservation of wooden poles carrying overhead telecommunication lines
CHAPTER I GENERAL CONSIDERATIONS
    1.1 Purpose of this publication
    1.2 Basic concepts
CHAPTER II ECONOMIC ADVANTAGES OF PRESERVATION
    2.1 Length of life of impregnated poles
    2.2 Practices and experience in various countries
    2.3 Additional remarks extending the data in point 2.2
CHAPTER III PRESERVING SUBSTANCES
    3.1 Types of preservative and general remarks
    3.2 Oily preservatives
    3.3 Solvent-type preservatives
    3.4 Single water-borne substances
    3.5 Combinations of water-borne substances
CHAPTER IV PRESERVATION PROCESSES
    4.1 General
    4.2 Summary of preservation processes
    4.3 Methods of treatment
    4.4 Diffusion processes
ANNEX 1 Chief water-borne copper-mixture preservatives used to impregnate poles
ANNEX 2 Organizations carrying out research and tests on pole preservation
ANNEX 3 Bibliography