MOWER OF THE MONTH
Number Seventy-Three
SHANKS CALEDONIA

The Caledonia was a popular hand mower manufactured by Alexander
Shanks of Arbroath. It was available in gear and chain drive versions, as were
similar machines from its main rivals Greens and Ransomes.
The gear version of the Caledonia was introduced in 1895 and the
chain drive model around five years later. The chain drive model was one of the
first hand mowers to feature "roller" chain (like the chain used on
modern bicycles) rather than the earlier block chain. This placed the company
some way ahead of its main competitors who retained block chain on the Ransomes
Automaton and Greens Silens Messor ranges for some years.

Another innovation on the Caledonia was the addition of a
small spring on the bracket that supported the rear roller. The idea was
for the chain to absorb some of the vibrations that occur as the mower
moves across the lawn. Shanks patented this mechanism in 1894 (primarily
for its larger pony and horse drawn mowers) and it was applied to a number
of roller mowers across their range for some years.
Like all contemporary machines the Caledonia was
manufactured from cast iron. The castings were less bulky than those found
on similar machines from other companies at the time and this made the
Caledonia a lighter machine overall. Many of the designs featured a ribbed
rear roller that was presumably designed to provide better grip on the
turf so that more power would be transmitted to the cutter.

The Caledonia was available in 10, 12, 14 and 16 inch
cutting widths and was mainly aimed at the middle and upper end of the
domestic market. However it proved so popular that Shanks also produced 14
and 16 inch versions for the lucrative green-keeping market. These
featured cutting cylinders with an additional blade (seven instead of six)
to ensure more cuts per inch as the mower moved across the lawn.
Both versions of the Caledonia remained on the market
until 1935 when more modern designs were introduced. Prices in 1913, for
example, ranged from £4-50 for the 12 inch model to £5-15-0 for the 16
inch model. By 1924 these had risen to £7-0-0 (10in) to £9-0-0 (16in)
which may imply the 10 inch model only became available between the two
dates. The special green-keeping machines were priced at 15 shillings
extra. All prices included the grass box.
As with all mowers from this period there were a number of
subtle design changes over the years. Very early versions did not feature
the spring on the rear roller bracket and some examples have a single,
central, adjustable support for the handles whereas most have two
supports, one at either end of the cross-piece at the lower end.
Despite being a very popular machine at the time
relatively few examples of the Caledonia appear to have survived,
certainly when compared to variants of the Ransomes Automaton and Greens
Silens Messor machines (although both of these were in production for
longer).
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