The Sun.
London, England, 1861-10-14 00:00:00

By Dr. LA'MERT, 37, Bedford -s quare, London.

Licentiate of the Royal College of Plhy sicians of Edinburgh
Member of the Royal College of Su .r€ ;eons of England, &c.

The above work contains most u seful and interesting
information on the physiological 41hanges which occur
in the Reproductive System during • the periods of youth,
puberty, and manhood ; and on the t hie attainment of that
degree of functional vigour upon will( ;1 the hopes of posterity
depend. It also points out how all f he attributes of Man-
hcod can be preserved to an advanced'? period of life, how they
are lost, and how they can be recove r ed. It is free from the
gross exaggerations, alarming descri l -Mons, and dangerous
remedies so generally resorted to 1 e,v persons, who, prac-
tising with false medical qualification C 9, inflict most serious
injuries, and render judicious treatmi Int frequently abortive.
The Author is the only legally qualified practitioner
whose name stands on the Medic ita Register (the only
true test of medical qualification), who has been exclu-
sively engaged for a series of years i m the treatment of the
various functional disorders of the n ervous and reproductive
system, which, owing to the great discoveries of modern
science, are rendered subservient t LI a rational, simple,
and easy mode of treatment.
At home for consultation daily fro; n 10 till 2, and from 6
till 8, either personally or by letter.— 37 , Bedford-square.

EXTRAORDINARY OPTICAL DISCOVERY.
Extract from the "Medical Circular," N0v.16, 1859 :
"We have observed with much pleasure an important dis-
covery in the grinding of srfectacle lenses by Mr. Bernard
Davis, optician. They arc superior to any others ; and from
their peculiar transparency can be easily adapted to any
sight, avoiding all strain to the vision. We have no doubt
that the most imperfect eyes may be surprisingly assisted by
this novel discovery."
Country residents suited with the greatest accuracy by
stating age. List of Prices:—Fine steel frames, with real
Brazil pebbles, 7s. 6d. ; ditt 1, very finest frames, 10s. 6d. ;
ditto, with best glasses, 3s. 6d., 98. 6d., 58. 6d. ; patent panto-
ecopic, for the clero-y,., or public speakers, to look over without
removing, with pebbles, 12s. 6.1., 10s. fid. ; with best glasses,
4s. 6d., 65., 78. 6d. ; solid void, 20s. per pair.
Address, BERNARD DAVIS, 430, Euston-read, London,
Optician to the Oothalmic Institutions.
• TELESCOPES—By the application of the improved lenses,
Mr. D. can guarantee his telescopes as being of the highest
power and at half the usual charges, viz.: —Small pocket
telescopes, to define 5 miles, 108. 6d. ' • ditto, 10 miles, 21s. ;
ditto, and showing all the heavenly bodies, 42s.—sine, from
4 inches to 6 inches long.
MICROSCOPES with the improved lenses.— St udent com-
pound achromatic microscopes, with three powers and every
necessary, 635. and 84s. in mahogany cabinets ; compound mi-
croscopes, with one strong power, magnifying 5,000 times
10s. 6d. ; ditto, three powers, 12s. 6d. ; ditto, with every ne-
cessary, magnifying 20,000 to 40,000, 215., 305., 425. Printed
instructions how to use microscopes free with each instru-
ment.
Opera and Field Glasses of the highest power, at 155., 215.,
300., Us.