Lives of Boulton and Watt. Principally from the Original Soho Mss.: Comprising also a history of the invention and introduction of the steam engineSmiles, Samuel
History
Lives of Boulton and Watt. Principally from the Original Soho Mss.: Comprising also a history of the invention and introduction of the steam engine
The Newcomen family have long since become extinct in Dartmouth. They are
said to have left the place long ago, and gone northward; but we have been
unable to trace them. The Newcomens appear to have occupied a respectable
position in Dartmouth down to about the middle of the last century. Their
burying-place was in the north-side chapel of the fine old parish church
of the town, where several tablets are erected to their memory. Amongst
others, there is one to William Newcomin, Attorney-at-Law, who died
the 24th of August, 1745, aged 57, supposed to have been a brother, and
another of the same name, who died in 1787, aged 65, supposed to have been
a son of the ironmonger.
Thomas Newcomen was a man of strong religious feelings, and from an early
period of his life occupied his leisure in voluntary religious teaching.
He belonged to the sect of Baptists; and the place was standing until
recently in which he regularly preached. When he afterwards went into
distant parts of the country on engine business, he continued to devote
his Sundays to the same work. How he first came to study the subject of
steam is not known. Mr. Holdsworth says a story was current in Dartmouth
in his younger days, and generally believed, that Newcomen conceived
the idea of the motive power to be obtained from steam by watching the
tea-kettle, the lid of which would frequently rise and fall when boiling;
and, reasoning upon this fact, he contrived, by filling a cylinder with
steam, to raise the piston, and by immediately injecting some cold water,
to create a vacuum, which allowed the weight of the atmosphere to press
the piston down, and so give motion to a pump by means of a beam and
rods.[39]
[39] Pamphlet on ‘Dartmouth: the advantages of its Harbour as
a Station for Foreign Mail Packets, and a Short Notice of its
Ancient and Present Condition.’ By A. H. Holdsworth. London,
1841.
It is probable that Newcomen was well aware of the experiments of Savery
on steam while the latter was living at Modbury, about fifteen miles
distant. It will be remembered that Savery was greatly hampered in his
earlier contrivances by the want of skilled workmen; and as Newcomen had
the reputation of being one of the cleverest blacksmiths in the county,
it is supposed that he was employed to make some of the more intricate
parts of Savery’s engine. At all events, he could scarcely fail to hear
from the men of his trade in the neighbourhood, what his speculative
neighbour at Modbury was trying to compass in the invention of an engine
for the purpose of raising water by fire. He was certainly occupied in
studying the subject about the same time as Savery; and Switzer says he
was well informed that “Mr. Newcomen was as early in his invention as Mr.
Savery was in his, only the latter being nearer the Court, had obtained
the patent before the other knew it; on which account Mr. Newcomen was
glad to come in as a partner to it.”[40]
Public-domain text, read in full here on John Shaqi.
Lives of Boulton and Watt. Principally from the Original Soho Mss.: Comprising also a history of the invention and introduction of the steam engine — John Shaqi
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