AN IMPROVED METHOD OF MASHING AND MIXING OF MALT AND ALL KINDS OF GRAIN USED FOR THE PURPOSES OF BREWING AND DISTIL- LING BY MEANS OF MACHINERY TO BE WORKED WITH OR WITHOUT WHEELS
Year: 1797

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOHN
SILVESTER,. of Capel Row, New Road, Marybone, in the County of Middlesex,
Millwright, send greeting.
WHEREAS His Majesty King George the Third, by His Letters Patent
under the Great Seal of Great Britain, bearing date, at Westminster, the
Ninth day of March last past, hath given and granted unto me, the said
John Silvester, my executors, administrators, and assigns, special licence, full
power, sole priviledge and authority, to make, use, exercise, and vend, within
that part of the Kingdom of Great Britain called England, Dominion of
Wales, and Town of Berwick-upon-Tweed, during the term of years therein
expressed, my Invention of "AN IMPROVED METHOD OF MASHING AND MIXING OF
MALT AND ALL KINDS OF GRAIN USED FOR THE PURPOSES OF BREWING AND DISTIL-
LING BY MEANS OF MACHINERY TO BE WORKED WITH OR WITHOUT WHEELS;" in which
said Letters Patent there is contained a proviso, obliging me, the said John
Silvester, by an instrument in writing under my hand and seal, to cause a par-
ticular description of the nature of my said Invention, and in what manner.
the same is to be performed, to be inrolled in His Majesty's High Court
of Chancery within one calendar month next after the date of the said
recited Letters Patent, as in and by the same (relation being thereunto had)
will more fully and at large appear.
NOW KNOW YE, that I, the said John Silvester, in compliance with
the said proviso, do hereby declare that the nature of my said Invention,
and the manner in which the same is to be performed, is particularly described

page_text: and ascertained in the plan hereunto annexed, and the following description
thereof, that is to say:-
Nos. 1, 1, 1, the iron shaft fixed in a cast-iron plate at the bottom of the
tun, in which the box 2, coloured green, slides, and to which the arms 3 are
fixed; 2, 2, 2, 2, an iron box, coloured green, to which the arms are fixed
which slides up and down the shaft, and is so drawn up and down by the rods
11, 11, 3, 3, the arms of iron to which the rakes are fixed; 4, 4, the rakes,
made of iron; 5, 5, the sliders fixed to each end of the rakes, which slide in
or out, according to the size of the tun, by means of a spring fixed in each
rake; 6, 6, 6, 6, the tun; 7, 7, the braces to support the arms, and through
which the rods pass, which are screwed to the box 2; 8, 8, a crank fixed to
each rake, which, being forced upwards by the brace 9, when the rake is at
the bottom of the tun, as described in the next article, is laid hold of by the
catch 10, and confines the rakes in their flat position till released by the catch
striking the pin 15; 9, 9, 9, a brace fixed on each side of the shaft near the
bottom, which when the rake descends near the bottom of the tun strikes it
and turns.it flat, so as to admit the box to the bottom of the tun, and forces the
crank 8 to the catch 10; 10,10, 10, 10, a catch fixed on each side of the box
2, which, when the rakes are at the bottom of the tun, and turned flat-by the
brace 9, lays hold of the, cranks 8, and.is drawn up with the rake, and keeps
it in its, flat position until the catch now describing, strikes the pin 15,
which then, looses; the rake and lets, it descend perpendicularly; 11, cranks of
iron fixed to the rake, and, being drawn up with it strike the. nogs No. 13,
shake the rake and clear it of,the goods drawn up with it; 12; 12, rods of iron
"fixed on each side of the shaft to the pin 15 and braces 9; 13; 13, nogs fixed
on the last-mentioned rods, which strike. the cranks on the rake and shake.the
goods; 14, 14, 14, 14, rods of iron fixed to the box, which pass through the
-bearing of the shaft,at the latchet wheel 18, and are joined together by nuts
and screws and a cross bar;. 15, 15, a pin fixed to the shaft which strikes the
catch 10, and. lets, down the rake.
A
Fig. 2: 16, 16, an iron lever which forces, the latchet wheel. 18 round by
"degrees, which turns the rake round the tun in the same manner.. This lever
is made to strike the latch wheel by a nog which projects at the end of the
rack, which by striking the lever every time the, rack, descends; forces the
(latch wheel one notch forward, and when the rack ascends and the sheave. 20
goes with it, the iron which surrounds the sheave and projects in the same
manner as the nog, strikes-the-point of the lever, and makes it resume its
. position..
Fig. 3 17, a paul which catches the latch wheel 18, and prevents it flying

page_text: back after having been struck forward by the lever; 18, 18, 18, 18, a
latch wheel fixed on the shaft No. 1, which being forced round by the
lever, as before described, moves the rake round the tun; 19, 19, a strap
of iron which joins the sheave 20 to the cross bar of iron, which joins the
rods 14. with a swivel; 20, 20, a sheave fixed to the rack, which being
confined by part of the frame and moving perpendicularly, prevents the rods
14 being drawn on one side with the rack; 21, 21, a pin of iron, passing
through the sheave, joins the rack to the strop of iron; 22, 22, a rack drawn
up by the pinion 23, and when the lowest cog reaches the pinion is forced
round to the opposite side, and occasions the descent of the rack, &c.; 23, 23,
the pinion fixed to a gudgeon joined to the shaft; 24, 24, a roller fixed
opposite to center of the pinion, to keep the rack and pinion in its
geers.
Fig. 4: 25, 25, 25, a plate of cast iron in which the rollers is fixed. Fig. 4:
26, a bolt which secures the rollers to the cast-iron plate. Fig. 2 and 4: 27,
27, a shaft that goes to the wheel by which the machine is set in motion; 28
and 29 are different manners in which the rake might be constructed.
This machine is so constructed as not to require more than one-third of the
power necessary to work any other now in use, nor doth it demand any
attendance whatever, and mashes in one-fourth of the time required by other
machines.
In witness whereof, I the said John Silvester, have hereunto set my hand
and seal, this Seventh day of April, in the thirty-seventh year of the
reign of our Sovereign Lord George the Third, by the grace of God,
of Great Britain, France, and Ireland, King, Defender of the Faith,
and so forth, and in the year of our Lord One thousand seven hundred
and ninety-seven
Inrolled the same Seventh day of April, in the year above written.