The Sun.
London, England, 1840-12-21 00:00:00

LONDON, MONDAY. DECEMBER 2;, k4O.

AT the EVENING EXHIBITIONS of
the ROYAL POLYTECHNIC INSTITUTION,
3lonsieur Laueent's new Cornet Band, in imitation of the
Horn Band of the Emror of Russia, is engaged for this
week, and performs in the Great Hall from a Quarter to Nine
to Half-past Ten o'clock, with a new Programme in Two Farts;
and in the Morning from Three to Five o'clock.
The EXTENSIVE ADDITIONS, stored with 1,600
SCIENTIFIC WORKS, various WORKING MODELS,
and WORKS of ART, of great and general interest, as well
as the LECTURE, MICROSCOPE, and NEW EXPE-
RIMENTS, are both in the Morning and Evening Exhibitions.
Open from Half-past Ten to Five o'clock. Admission Is.
Evenir g from Seven to Half-past Ten o'clock. Ditto.
A Modified Scale for Schools.
The Extensive LABORATORY is open to Pupils. The
Chemist conducts Assays and Analyses.

SCI-100 L for the INSTRUCTION of EN-
GINE DRIVERS on RAILROADS.
The DIRECTORS of the POLYTECHNIC INSTITU-
TION hereby give Notice, that the SCHOOL for this pur-
pose will OPEN on MONDAY, the 21st inst., for the reception
of CLASS PUPILS. The following is a Syllabus of the
Course of Instruction :-
1. On the expansive property of steam, according to the
density of the atmosphere and the power exerted on the piston.
This to include stationary engines, whether condensing or high
pressure, as well as the locomotive. 2. On the mechanical
structure of the steam engine. 3. On the velocity of bodies
on planes, when a certain force is applied, particularly referring
to inclines or declines, in order to show when it is necessary to
increase or diminish the force of the engine. 4. On the tan-
gent at which, at any given velocity, the engine is likely to go
off the rails when running on the curves. b. On the strength
or size of ropes or chains necessary to draw weights er loads on
the railroad, whether on inclined planes or not. 6. On the
strength of tubes requisite for boilers, and on the proper weight
with which to load the safety valve. 7. On the power of trac-
tion on engine or rail. S. On the quantity of water and coke
required per mile. 9. On the resistance of the atmosphere in
high winds.
The Course will consist of Lectures occupying Three Months,
at the rate of Three per Week ; and the flours of attendance
are from Seven until Eight in the Evening, in the Theatre of
the Establishment. Fee for the Course, Two Guineas. The
Theory of Steam and of the Engine will be taught by the Pro-
fessor of the Institution, assisted by an experienced DRIVER
(originally a LOCOMOTIVE ENGINE AIANUFAC-
TURER) in the PRACTICAL DEMONSTRATIONS.
The Pupils will have the use of large Sectional and Working
Models, of Locomotive, Stationary, and Marine Engines, with-
out additional expense. An Examination of the Pupils will
take place at the end of each Course of Lectures, to which the
Directors and Officers of the Railroads will be invited ; and no
Pupil to receive a Certificate from the Institution unless he
passes this public examination satisfactorily.
N- B. Analyses, and Assays of Minerals and Earths.
Further particulars may be had, by applying to Mr. Long-
bottom, Secretary, at the Institution, 309, Regent-street.

LEGAL AND GENERAL LIFE ASSU-
RANCE OFFICE,
No. 10, Fleet-street, London.—December 19, 1840.
Notice is hereby given that the TRANSFER BOOKS of
this Society will be CLOSED from the 31st day of December
inst. to the 3lst day of January, 1841.
By order of the Board,
T. R. EDMONDS, Actuary.

ATIONAL LOAN FUND, LIFE AS
SURANCE, and DEFERRED ANNUITY SO.
CIETY,. 2ti, CORNHILL.
Capital £500,000.
Empowered by Act of Parliament.
Di RECTORS.
T. LAMIE MURRAY, Esq., Chairman.
Elliotson, M.D., F.R. S. John Rawson, Esq.
H. Gordon, Esq. Clement Tabor, Esq.
George Lungley, Esq. Joseo Thompson, Esq.
AuniToßs—Dr. 0. Gregory, .R.A. a. ; Professor Wheat-
stone, F.R.S.
ACTUARY—W. S. B. Woolhouse, Esq., F. R. A. S.
LIFE ASSURANCE.
Besides the perfect security to the policy holder of a large
paid up capital, and accumulating funds, with moderate rates
of premium, the following is one amongst many of the advan-
tages which belong exclusively to the principles of life assn.
ranee and deferred annuities originated by F -le Society, viz.--
Power to borrow, (without delay, expense, or .orfeiturc) two-
thirds of all premiums paid upon a policy of assurance.

Premium for assuring 1001.

PUBLICATIONS.

This day is published, a New Edition of
THE REV. SYDNEY SMITH'S WORKS
in 3 vols. Bvo., with Portrait, price 3Gs. cloth, lettered,
The Portrait is sold separately, by Mr. Mitchell, Old Bond-
street ; and by the Publishers, price ss. ; India Proofs, 7s. 6d.
London : Longman, Orme, and Co.

NEW WORK BY CAPTAIN BASIL HALL.
Just published, in 3 volumes, price 275. bds.
DATCHW olt K.
By Captain BASIL HALL, R.N. and F.R. S.
Just published,
1. Captain BASIL HALL'S FRAGMENTS of VOY-
AGES and TRAVELS. In 1 vol. Price 16s. cloth.
2. Captain BASIL HALL'S LOO-CHOO and SOUTH
AMERICA. In 1 vol. Price Bs. 6d. cloth.