The Sun.
London, England, 1857-05-20 00:00:00

COURSE OF EXCHANGE..-YESTERDAY.

Amsterdam ~, „... ~..., 11 18 Gibraltar .... —•••• •• • •
Ditto, three months .. 12 14 Leghorn .............. 29 6214
Rotterdam —.• v•.• 12 1. Genoa eeeee • •••• •••••• 25 80
Antwerp ••••••••• • • • •• 25 65 Allan ••e••••••• •• •• •• .."--
Llarnburgh •• •• •• •• •••• 13 9 !Naples ....... . .. 42%
A.ltona ••••.•••• 0 • • • • • • .... 'Palermo •• • •
Pari5........ ,-,........ 25 3214 Messina ... ... -130 i
Ditto, three months .. 25 75 : Lisbon .. • 52%
Marseilles ............. 25 77% Oporto ....... .
Bourdeaux ............ 1 Rio Janelro ...... • • ....
Frankfort-on-Maine •• .. 110% Buenos Ayres..,• • • ....
Berlin •• •• •• •• •• •• •• •• New York,6o days' sight --•
Vienna.......... • • .... 10 36 Philadelphia ... . —
Trieste•• •• •• •w•• •• .. •• 10 36 PRICES OF BULLION, PER OR.
Petersburg ............ 37;6 Foreign Gold in Bars £3 17 ' 9
Madrid .........., .... 49 Portugal Gold Coin .. 00 0
Cadiz ......... • • ...... 49% Mexican Dollars .... 0 5 00
Barcelona •• ... •• •• •• ••• New Dollars ...... 0 0 0
Saville,. ••..•••••• •• • • -- Silver in bare • • ... •• 00 0

INGENIOUS DEVICE.—A fellow who had undertaken
to serve some subpmnas, finding the roads in a shocking
condition, wrote a note to each of the parties, stating,
that a sum of money was deposited in his bands, which
they could have by calling on him. They called and got
a subpcela and 12i cents each.—American Paper.
Au V ALUMNI fINT. SIGHT AND HEARING. —SPECTACLES.'
POWERFUL TELESCOPES.— OPERA, RACE, AND PE RSPECTI
GLASSES.—Messrs. S. and ti. solomons, opticians, 39, Albe"
marie-street, Piccadilly, Observe—opposite the York Hotel
W.—By her Majesty's Royal Letters Patent for valuable and
extraordinary improvements in the most powerful and bra'
liant Telescopes, Camp, 1;i-set:course, Opera, and Perspective
Giasses to know the distances. These telescopes posse's
such extraordinary power that some, three and a-half inches'
with an extra eye-p ece will show distinctly Jupiter's moons,
Saturn's ring, and the double stars ; with the same telescoPe
can be seen a person's countenancethree-and-a-half milei dis-
tant and an object from 16 to 20 miles. Eor the wahtcoat
pocket, an i are of larger, and all sizes, with increasing
powers accordingly. The Royal Exhibition, 1851.—A vala:
able r ewly-invente I very small powerful Waistcoat Pocket
Glass, the size of a walnut, by which a person eau be WI
and known one and a half mile distant. They an,wer eyed
purpose on the race-course, and at the Oren. Houscs'
Country scenery, and ships are clearly seen at 1 to 14 miice'
!toy are invaluable for shooting, deer-stalking, yachting,
to sportsmen, gentlemen, gamekeepers, and ton lets. Operj'
Camp, Perspective, and Racecourse:,asses, with wonder
pow.,rs. aln:ble preserving Spectacle Lenses or the
greatest transparent power. The great advantage derive
from this invention is, that vision impeired becomes 1)%
carved and strengthened, and very agea persons are enabl
to employ their sight at the most minute occupation--;
eau' see with these lenses of a much less magnifying pon
—and they do not require the frequent changes to vli
dangerous effects of further powerful assistance. Persoa,
a:
can be suited at the moat remote part of the world by sen
ins one of the glasses out of their spectacles in a letter, 013$
stating the distance from the eye they can read small Pt
with it, and those who have not made use of spectacles
stating their age. Deafness.—Now Die ,ov_ry.—Ttio Or
Vibrator, an extraordinarily powerful, smelt newly;
invented instrument fox deafness; entiroiy• diff4rent from
others, surpasses anythiog of the kind that I4as been, or prod
bably ever can be produced. Being of the same colour I'4
tae skin is not perceptible. It enables deaf persons to
distinctly at church and'at public assemblies; the unpleasel
sensation of singing noises in the ears is entirely Tel:1107
and it affords all the assistance that possibly could be.desireie
—39, Albemarle-street, Piccadilly.—Observe—opposite
York Hotel. W.