Tests on a modified design of type 3/15 galvanised macbeth spike anchor. Comparisons with the standard type 3/15 galvanised macbeth spike anchor (E-049)

As the Eastern Region was experiencing difficulty in [text omitted as illegible] tensioning galvanised Macbeth Spike Anchore, type 3/15, small quantity of a modified design was produced for trial [text omitted as illegible] in which the angle of the bow relative to the horizontal [text omitted as illegible] reduced to...