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Fire-ENGINES, Power of. - From Burn & Nicholson's Hist:y of Westmorland in the
CRIT. REVIEW for July 1778.
"It appears from pretty exact calculations
"that it would require about 550 men or
"a power equal to that of 110 horses to
"work the pumps of one of the largest
"fire-engines now in use (the diameter
"of whose cylinder is 70 inches) and thrice
"that number of men to keep an engine
"of this size constantly at work: and that
"as much water may be raised by an engine
"of this size kept constantly at work
"as can be drawn up by 2520 men with
"rollers and buckets after the manner now
"daily practised in many mines, or as much
"as can be born up on the shoulders of twice
"that number of men as it is said to be done
"in some of the mines of Peru."
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"There are four engines belonging to this
"colliery, which when all at work discharge
"from it about 1228 gallons every minute
"at 13 strokes; and after the same rate
"1,768,323 Gallons every 24 hours. By the
"four engines here employ'd nearly twice
"the above mentioned quantity of water might
"be discharged from mines that are not
"above 60 or 70 fathoms deep; which
"depth is rarely exceeded in the Newcastle
"collieries, or in any of the English collieries,
"those of Whitehaven excepted.*
"*For these observations on the Coal mines at
"Whitehaven we are obliged to the very ingenious
"Dr Brownrigg's notes on a beautiful little
"poem of Dr Dalton's, on the return of
"two young ladies from viewing those mines."
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Sunday Aug. 30th 1778
The above I have just been writing at
Petersham. Hussey came here to day to dinner
He and Far are setting out tomorrow for
Cheltenham where Far goes to drink the waters.
Tomorrow Petersham is compleatly evacuated.
Q.S.P's migrate to Suffolk for 3 or
4 weeks staying making several stops in the
neighbourhood of & other places in Essex.
My F. desirbids me tell you he wrot sent you
a long letter to Portsmouth some time ago
directed to be left at the Post office till
called for. He read me your last letter to
them. He can't think what possessed you to
spend near a page in apologies for silence
when you scarce ever in your life he says
wrote two letters so close together as that and
the last preceding. His hypothesis is that you
had forgot your having written so lately.
---page break---
Aug. 31st
I have just received your letter
I have no time to answer it - I have
been copying it for Wilson
Q.S.P. not content with setting me
to write the above would repeat it himself -
He gave the letter open that
I might put a postscript to it.
You should not have told him of
your having written to me - that laid
me under a sort of obligation to shew
him or at least give him an account
of your letter. It was such you know
that I could do neither. I was forced to
deny that I had received any.
What I feel for thee my child
I think I need not attempt to say -
I think we are got beyond expressions.
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Identifier: | JB/538/228/001 "JB/" can not be assigned to a declared number type with value 538.
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1778-08-27 |
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538 |
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228 |
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001 |
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Correspondence |
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Jeremy Bentham |
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