The old roof was covered mostly with
stone-slates--flakes of limestone from the Cotswolds--very uneven in
size and rough as to surface, and in part with ordinary blue slates.
The latter lie much more closely on the laths, the stone slates
allowing the passage of more air between them, and it was interesting
to find that while the ancient laths under the stone slates were
fairly well preserved, those beneath the blue slates were much
decayed, evidently from the fact of the damp in an unheated building
remaining longer where the air was excluded, though one would have
expected the close-lying blue slates to be the better protection of
the two.
Much expense was saved by Tom G.'s economical use of materials;
wherever the old oak beams could be used again they were incorporated
with the new work. He never cut sound old or new pieces of timber to
waste; almost every scrap came in somewhere, for he worked with his
head as well as his hands.
The difference in this respect is very noticeable in different men; an
old plumber once told me that he had been employed upon a pump on a
neighbouring farm, where the slot in which the handle works was so
worn on one side that the bolt which carries the handle had given way,
owing to the man, who had used it for years, not keeping it running
truly in the centre. He called the man's attention to the cause of the
damage, and, being a sententious old fellow, asked him why he didn't
think what he was doing.
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