This Map shows navigation guidance between
Portsmouth Harbour and St. Helen's dating back to 1643. The map combines
information shown on Isaac Taylor's 1759 map and Grimm's of 1776.
So what was the derivation of the Alverstoke tower names? No printed
explanation for the names of Gill Kicker and Kicker Gill-the original
spelling for these towers-was found.
Kicker Gill was most probably used to identify the construction contrast
with it's partner tower, a reversal of the two words. The author's
submission is that Kicker is a civil engineering term that refers to the
stub of a column usually formed at the same time as the foundation slab,
which provides the shape and location for the next stage of construction
of that column.
The tower's foundation pad would likely have been constructed as a
grillage of timbers surrounded with concrete. If formwork was construction
was constructed on top of the slab and concrete poured to raise the below
ground part of the column, that section would correctly have been termed a