1808.] 
means of screws, so as te encompass 
and adapt themselves to all the various 
sizes of chimney-pots that are now in 
use. To these semicircles are attached 
upright bars, and at the top of these are 
fixed cross bars with a couple of supports, 
which cross bars contain the(friction-roller, 
over which the chain, rope, or line, may 
be made to pass, while it is performing 
its passage of ascent and descent in the 
act of cleansing. This apparatus not 
only enables a person to sweep any 
chimney from the bottom, but always 
provides a ready method of keeping the 
chain, line, or rope, in a situation that 
the chimney may be cleansed at a mo- 
ment’s warning. 
Remark. Although the chimnies may 
be swept from below, yet a considerable 
_ first, expence is neoessary to fix the 
semicircles, screws, bars, &c. to the 
chimney; and this is required for every 
chimney that may. require to be 
cleansed. - Now we know enough of 
mankind to infer, that an invention of 
this kind can never be brought into general 
use, so long as they can at the current: 
expence of a shilling or sixpence get 
the same thing done by boys. 
Mrs. B. having described her main 
plan, goes on to give particular des- 
ecriptions of the brush and other parts of 
the apparatus, taking care to discriminate 
between the invention as it now stands 
and what it was in 1803. She then 
proceeds to the method of extinguishing 
fire in, chimnies, and to. her plan for 
=k 
List of New Publications in January. 
59 
making circular chimnies by means of 
blocks mentioned in a former specift- 
cation, but of which she says, 
“And I farther unprove the blocks by 
making. them of such a form as may 
render them capable of being put to a 
certain height in the chimnies which 
have already been built of a square 
form. In which case [ make their ex- 
terior form of a circular figure, with 
levelled ur sloping joints, and overlap- 
pings, so formed that with the aid of 
cement, no air or smoke can penetrate 
through them; and I somettmes make 
them with knees or slopings, to assimilate 
with the bevel of the flues of such chim- 
nies.. And the said circular blocks may 
be not only used for the purpose of con- 
veying smoke, but also of conveying all 
sorts of fluids or bodies in a pulverulent 
state; and in order to render them 
generally useful, and in all situations 
fit. for couveyance of water or other 
fluids, and that they may be incapable 
of injuring the water,or fluids, I give 
the internal part a certain degree of 
vitrification by means of any of the sub- 
stances | best capable of producing a 
powerful and firm vitrification, and like= 
wise in order te protect them from ex- 
ternal injury, and to add to the strength 
otf the pipes or blocks meant for the 
conveyance of fluids.” 
Another method is given to construct 
the blocks, but our limits do not allow 
us to go into farther details. : 
LIST OF NEW PUBLICATIONS IN JANUARY. 
: aE | 
@.* As the List of New Publications, contained in the Monthly Magazine, is the 
“ONLY COMPLETE LIST PUBLISHED, and consequently the only one 
that cun be useful to the Public for Purposes of general Reference, tt is requested 
that Authors and Publishers will continue to communicate Notices of their Work 
(Post paid), and they will always be faithfully inserted, FREE of EXPENCE 
—E eae 
AGRICULTURE. 
A General View of the Agriculture of Che- 
shire, drawn up for the Board of Agri- 
culture. By Henry Holland, esq. with a 
coloured map, Svo. i0s. 
A Treatise on thé Cultivation and Prepa- 
ration of Hemp, with plates. By Robert 
Wissett, efq. F.R. and A.S. clerk to the 
‘Committee of Warehouses of the East India 
Company, 4to. 
ANTIQUITIES. ; 
The History of Leicestershire, Part VI. 
containing the Hundred of Guthlaxton. By 
. fohn Nichols, F.S.Ax Edin. and Perth. 
With 68 plates. Folio, 21, 12s. 6d. 
RIOGRAPHY. 
Memoirs of Sir Thomas More, witha new 
Translation of his Utopia, his History of 
king Richard Til. and his Latin Poems. - By 
Arthur Cayley, jun. esq. 2 vols. 4to. 21. 2s, 
boards. 
Memoirs of the public Life of the late 
Right Hon. Charles James Fox.. By Ralph 
Fell. 4to. 11. 14s. 6d. boards. 
A Portrait of the Right Hon. Viscount 
Nelson, with a brief Account of what he did 
and how he died. 4to. 10s. 6d. 
/ COMMERCE. 
An Answer to the Arguments by which 
Mr. Spence, Mr..Cobbett, and others have 
attempted 
