542, 
To John Leigh Bradbury, of Manches~ 
ter: for his invention ofa new_mode.of 
twisting, spinning, or throwing silk, antions 
&c.—Sealed $d July, 1824... 
‘To Wm. ‘Pontifex, of Shoe-lane, London : 
for his. new inyented mode of adjusting or 
equali zing the pressure of fluids in pipes, 
and 2 also an improved mode of measuring the 
said fluids or liquids,— Sealed Ist July,1824. 
To James Rogers, of Marlborough, 
county. of Wilts: for his improved. instru- 
ments for ascertaining the cubic contents of 
standing timber. Sealed 20th March, 1824, 
—The method proposed for ascertaining the 
cubic contents of standing timber is by 
taking observations at a certain distance 
from the tree, and determining by means of 
a mathematical instrument both the vertical 
and horizontal angles subtended from that 
spot, between the several points of the tree 
about to be measured, and then reducing 
the measure of the tangents of these angles 
by. means of tables, or by calculation, so as 
to obtain the solid contents between the se- 
veral parts so observed, and the patentee 
offers an improved instrument for this pur- 
pose. 
To Abraham Henry Chambers, of New 
Bond-street, London : for improvements in 
paving. Sealed 28th February, 1824.—The 
proposed improved mode of paving is by 
depositing large regularly formed stones, 
with their broadest surface downwards, upon 
firm beds of earth, and fixing them by pour- 
ing between the junctions a quantity of 
cement, filling up the remaining interstices 
with broken flints, and by adapting thereto 
the side trenches and under drains described 
in,aformer patent of the same invyentor.— 
Inrolled August 1824. 
To William Yetts, of Great Yarmouth, 
Norfolk: for an apparatus to be applied to 
a windlass.—Sealed 28th February, 1824 ; 
inrolled April 1824. 
To Thomas Todd, of Swansea, South 
Wales: for an improvement in producing 
tone upon musical instruments of various 
descriptions.—Sealed 22d November, 1823 ; 
inrolled May 1824. 
To William Church, of Pirmingham ; 
for an improvement in augers and bits for 
boring, and in the apparatus for making the 
same.—Sealed 4th November, 1824; in- 
rolled May 1825. 
To Charles Chubb, of Portsea, county of 
Southampton: for improvements in the 
construction of locks.—Sealed ]5th June, 
1824 ; inrolled August 1824. 
To Thomas Attwood, of Birmingham : 
for an improved method of making nibs and 
slots in cylinders used for printing cottons, 
linens, &c.—Sealed 26th February, 1825 ; 
inrolled August 1825, 
To, William Henry James, of Cobourg 
Place, near Birmingham : for improvements 
on railways, and in the construction of car- 
visi ‘i employed on them.—Sealed 15th 
25.— These improvements consist 
in morte the rails at those parts of the road 
Supplementary List of Patents 
where curves or turns are togbe made, with 
ribs of, different) elevations; and sadapting 
grooves of different, ‘diameters; on! the :peri~ 
pheries of, the carriage |wheels; to;irum/upon: 
these rails,.|so.asto/ cause thetwo}oppdsite: 
wheels on) the same, axlevof the catriage xto: 
vary in their circumferences, at-those parts:of « 
the railroad or railway where the on ir 
to turn, Inrolled SeptembersE825io1, 
To Aaron. Jennings and.John tdi 
‘ worth, both, of , Birmingham, for improve= 
ments in the method of preparing and work 
ing pearl-shell for ornamental usesi-—Sealed | 
29th March 1825, inrolled , October! 11825. 
To John Thompson, of the ‘London; Steeb | 
Works, Chelsea: for an improvement in the 
making refined, or what is commonly called 
cast steel,—Sealed December 18243, inrolled ) 
February 1825. 
To Jean Jacques Saintmare, of Belmont 
Distillery, Vauxhall; for improvements in. 
the process and apparatus for distilling. —: 
Sealed 20th March 1824; inrolled Sepe: 
tember 1824. £99 
To Joseph Clisild Daniel, of Stoke, county: 
of Wilts ; for improvements in dressing wool=: 
len cloth.—Sealed 20th November 1824, in 
rolled March 1825. 
To Charles Jetferies, of Hayannah Mills, 
near Congleton, Cheshire, and Edward Drake- 
ford, of Congleton ; for a method of making 
a swift, and other apparatus thereto belonging, 
for the purpose of winding silk and other 
fibrous materials —Sealed 29th July 1824; 
inrolled September 1824. 
To Archibald Buchanan of Calme Cotton 
Works, Glasgow : for improvements in ma- 
chinery employed in spinning mills in the 
carding of cotton and other wool.—Sealed 
4th December 1823; inrolled April 1825. 
To John White the younger, and Thomas 
Sowerby, both of Bishop’s Wearmouth, 
county Durham: for improved air furnaces, 
—Sealed 6th November 1824: inrolled, , 
February 1825. 
To Thomas Parkin, of Baches Row, City » 
Road: for improvements in the apparatus 
employed in printing.—Sealed 15th May, 
1824.— The proposed machine, which is de-,/» 
signed for letterpress printing, has one form, 
of types placed on a trayersing table, with, 
a pressing cylinder in the middle; the sheets | 
of paper to be printed are alternately con- 
ducted, by means of nipping rollers, and an,,- 
endless blanket from tympans on each side, . 
of the pressing cylinder ; whence, after, pass~,) 
ing over the forms of types, and receiving the.., 
impression, they are carried up between, 
endless tapes, and are discharged from the 
machine on to wooden tables above, Though) 
the operations of this machine are but slightly, . 
varied from several other printing machines) 
in use, it differs considerably in the mechanj- 
cal construction of many. of its parts, AND 2 
rolled September 1824... Soitsurite 
To John Theodore Paul, late: of. Ger i 
now residing at, Charing. Cross; for imp: 
ments in the method of eels a 
and in the application. of it,to jwariousjput 
poses. 
