Star.
London, England, 1818-05-30 00:00:00

" 4 To make a Plain Glass that shall represent tha Image
manifold.
. _ _

" A glass is made that will make many repre-
sentations, that is, that many things may be seen at
once ; for by opening and shutting it, you shall see
twenty figures for one, and more. You shall make
it thus : Raise two brass looking-glasses (metallic
mirrors), or of crystal, at right angles upon the same
basis, and let them be in a proportion called sesquial-
tera, that is, one and a half, or some other propor-
tion, and let them be joined together longways, that
they may be shut and opened, like a book; and the an-
fles be divers, such as are made at Venice: for one
ace being objected you shall see many in them both,
and this by so much the straighter, as you put them
together, and the angles are less: but they will be
diminished by opening them, and the angles being
mere obtuse, you shall see the fewer: so shewing one
figitte, there will be more seen : and further, the
might parts will shew right, and the left to be left,

'lshitis is contrary this is kith@
by mutual tifiettibn and puThatitiii, tthenct
the Variety of images ititerchangiable:'
EVrti the foregOing it is Manifest WhitiCe
leychtrived the principle which he applied tb dill con
struction of his instrument, for hi bOnri the veil
words of Porta, that the:She mirrors) #4.# 14 *ha
iind Oared like d book an hence follows, th.t if
the discovery 91' the princi cannot be alloWed to the
French, so neither can it to the English for Poitii'd
work was first published (it Naples we believe). hi
1538, in jbur'books,. and thirty-fie years. after (that
is about the year 1573), in its enlarged fottn, ebm:
prising tent y books: Bradley i,vas not called a pia-
gtarist,—prohably because his instrument, thiaugh
identically the,same as Porta's, Was applied in a di&
ferent way and to A different purpose; Should Dr:
BieWster then be considered in that light, for having
Made use or the same principle in his instrument;
which in construction is, different from either Porta's
or Bradley's? P.ate, by looking it objects before
him, along the angle formed at the joining of his
glasses, saw them multiplied i Bradley, by placing
his joined glasses Upon his drawings, at right angles
to them, and looking at them, in the same manner,
saW them nuiltiplieoi; but the number of reflections
could be calculated.

Dr: Brewstr, lilt putting the reflector's in a tubes
and attaching thereto, and at tight angles to them,
two discs of glass with objects interposed, forms an
optical instrument capable of producing, n incalcu.:
table (if not an infinite) number of combinat!ons, by
merely making the discs, or the whole instrument, td
revolve on its axis. while the eye looks through it. If
the previous application of any known principle to the
construction of instruments, is to be considered and
held as embracing all future applications of the
same principle, there can be no new inventions ; for
to obtain knowledge or a principle, not before known, .
is a discovery, and not an Invention : no person can
invent a principle ; but he may apply a principle,
when known, to a new purpose, and this new appti
cation with the new means employed, is what consti.:
tutes a new invention. " T."

Chiswick Church, which has lately undergone
complete repair, and been considerably enlarged, was
opened yesterday, with a performance of Sacred Mn.
sic, tinder the patronage of the Duke of Devi:mutt n
and the principal families of this elegant vicinage,
and under the direction of Mr. ASHLEY, The per-
formance was attended by eight hundred persons.
Monday; the 11th instant, the Marchioness of
HASTINGS visited the village of Darvel, in Aynhire,
Aware of her intention, the Baillies and. CounCil, and
a respectable number of the Feuars, with music play-
ing and flags flying, met her Ladyship at the west
end of the village, paraded the street until they camel
to the elegant new school-house which the Marchic;
ness has lately built. There her Ladyship alighted
from her carriage, inspected the school-room, heard
a number of the children read, and examined speci4
mens of their writing I with all of which she expressed
her entire satisfaction. Her Ladyship re-entered her,
carriage, the Baillies, Council, and Feuars, paraded
to the east end of the village, where, with becoming
honours, they bade the Marchioness adieu. Mitch
gratified with her Ladyship's condescension and affa-
bility, they marched back to an Inn, where they re-
galed themselves with the beneficence of their re-
spected superior. The evening was spent with the
greatest harmony and mirth. The health of the No.:
ble Marchioness, the Gallant Marquis and theii fa-
mily, was drank with enthusiasm. Many other
propriate toasts were given—many excellent songs
were sung. The young people of the village, who
took a deep interest in the exercises of the day, had A
dance in the evening : and, at a late hour, the party
broke up, much gratified with the festivities of this
interesting occasion.

VISCOUNTESS ENNISNIORE'S SECOND BALL.—King=
ston House was opened on Thursday night. The
company consisted of persons of the first distinction.
The saloon, the two drawing-rooms, the centre room;
the con idor, and the conservatory, were all brilliantly'
illuminated. Dancing commenced at eleven o'clock
with quadrilles, led off by Miss HARE, the accsni.
plished grandaughter of the Noble Hostess; and IP
Earl of UXBRIDGE. A supper, sumptuous in the
extreme, followed. Waltzes concluded the whole at
half-past four o'clock. Among the visitants were--;
His Royal Highness the Duke of Gloucester, and his Serene
Highness the I'riace of Hesse Hornbourg ; buke of Grafts*
and the Ladies Fitzroy, Countess of. Cardigan and Lady Harriet
Brudenell, Countess of Shaftesbury and the Ladies Ashley
Cooper, Countess of Clare and Lady Isabella Fitzgibbon, Earl
and Countess- of Scarborough, Earl and Countess of Aboyall
and the Ladies Gordon, Countess of GlengaU and Lady Harries
Butler, Countess Dowager of Clonmell and Miss Moore, Vis.:
countess Dudley and Ward, Count and Countess of Ludolph,
Count and Countess Munster, Lord and Lady Amherst, Lady
Ellenborough and Miss Law, Lady and Miss Chichester' Sir
Bellingham and Lady Graham, Marquis of Sly, Lady de Clif-
ford, Sir Richard and Lady Strachan, Lord Prudhoe, Sir Henry
Floyd, Lord Strathaven, Sir Henry and Lady Whitshed, Lady
Mary Ross, Duchess Dowager of Leeds and Lady Frances Os-
borne, Lord and Lady Barnard, Kurl of Mount Cashel! and
Lad J. Moore Lady Saye and Sele, Marchioness of Bath,
Omit Bellegarct, Lord Clanbrook, Lady Catherine Long, Mrs.
Boasts, Lady and Miss Asgill, Mrs. Fitzherbert and Miss Sey-
mour, Lady Keith, Sir Charles and Lady Rowley, Countess of
Carrick, Sir N. Colthurst ; also, the Prussian and Bavarian Am-
bassadors, and the Prince and Princess Beauffremont.

VISCOUNT A NDVISCOUNTESS ASIIBROOKE'S
.TathimENT.—ln Mansfield-street, on Thursday last,
.a magnificent banquet was given to—
. The Duke of Gloucester, the Duke and Ducheb of Stm
les, Marquis and Marchioness of Winchester, Earl and Coon.
Mos of Leitrim, Earl of Char'ovine, Colonel Macdonald, But
se Shaftesbury, Colonel Higgins, Earl of Clare, Sir Gore and
Lady Ouseley, Lady Margaret Kennedy, the Vice-Chancellor.
In the evening a Grand Concert of Vocal and In-
strumental Music, was held in the Grand Saloon,
when Sir GORE OUSELEY played on the flute, and Co-
lonel WEST on the violoncello.—Present,
Duchess of Montrose, the Ladies Graham, Count and Cone-
tess Lieven, Baron Humboldt, Countess of Bathurst and use
Ladies, Countess of Waterpark, Marchismen of Camden -
the Ladies• Pratt, Lady Saltoun, Lady Parker, Earl
gavenny, Lord and Lady gormanton, Earl of limerick
Ladies Perry, Viscountess Park, Sir Charles Doyle, '
and Lady Blackwood, Lord and Lady Bernard, I
Lady Walsh, Ladl 31ildmay, &r John and Lady 2d
of Mount Edgcumbe and Lady Emma Edgcumbe,
Lady Kerrison, Countess of Meaborough and 1 -
Lady Longford, Lady Nebel!, Colonel Chambers,
Mrs. and Miss Knox, Mr. and Mrs. Calvert.
The company were delighted with
splendour and beauty displayed in
rations of this capacious *mansions:
rooms were thrown open at ten Alock
entirely new in device, exhibiting Safildlielg

F 4
, t
I '
'll
t*
•
111.1
1
I
*1
•
If
•
1
• I
t
••I
1,
1 I 1
x.•
- •

rrn of Catndeo and
irkar, Ran of Aber-
.1 of Limerick and the
'tea Doyle, Sir Henry
Bernard, Sir J. and
4 Lady Moray, Bari c.
4igrumbe, Sir E. anal
h and Min bloom,
ambers, Mn. &rim. •
rti
di the unrivalled
the interior deco-
r Four dra
dock t the who
usichlsas taste.